School Ad’s Claim That ‘No One Is Born With Different Abilities’ Sparks Debate: Nature vs. Nurture

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The story

A single line in a school’s advertisement — “there’s no such thing as innate ability differences” — has sparked a debate on 5ch. It appears to be meant as an encouraging message for students facing entrance exams or job hunting, but posters weren’t taking it at face value, and opinions split over just how much genetics shapes intelligence and athletic ability. Citing findings that identical twins raised in different environments ended up with similar academic performance, and pointing to the idea that Shohei Ohtani wouldn’t have found the same success had he chosen a different path, the “environment matters more” camp and the “genetics matters more” camp both dug in, with plenty of sarcasm flying at the cult of effort along the way.

What people said

1AnonymousSep 27, 2026 17:27
I mean, come on, there's no such thing as differences between people, right?
2AnonymousSep 27, 2026 17:28
That said, home environment matters a ton though
3AnonymousSep 27, 2026 17:29
Re: #1
I get that you believe that.
Now explain your reasoning.
4AnonymousSep 27, 2026 17:32
The 'disabilities aren't congenital, it's your own fault' theory
6AnonymousSep 27, 2026 17:34
It's probably supposed to be an uplifting line, but it just makes me more depressed.
Sounds like something an old-school Showa-era tyrant boss would say.
9AnonymousSep 27, 2026 17:36
In the end it's just personal-responsibility rhetoric — 'if you're poor and unsuccessful, that's on you.'
10AnonymousSep 27, 2026 17:36
So you want to know who the 'losers' are, huh.
Guess that makes NEETs (people Not in Education, Employment, or Training) the winners.
Already getting up in years and still a NEET, lol
11AnonymousSep 27, 2026 17:37
Boldly telling lies isn't a good look.
Guess this is a case of refusing to admit that ability differences are, in fact, ability differences.
12AnonymousSep 27, 2026 17:37
So I guess it's lack of effort that lands you at some no-name school like this one?
13AnonymousSep 27, 2026 17:38
It varies by subject, but some of it is said to come down to genetics.
But openly affirming that risks veering into eugenics territory, so that's frowned upon.
A slogan like 'you can achieve anything through effort' is considered the healthier message, even if it's a bit of a white lie.
14AnonymousSep 27, 2026 17:38
Physical ability does have a genetic component, but academic ability, not really.
That said, gaps start forming from age zero depending on the family you're born into.
19AnonymousSep 27, 2026 17:42
Re: #14
The brain's part of the body too, isn't it?
16AnonymousSep 27, 2026 17:41
Weren't you taught that everyone's different…?
18AnonymousSep 27, 2026 17:42
There's no such thing as DNA or the 'parent lottery' (oyagacha — the idea that the family you're born into is random luck), apparently.
20AnonymousSep 27, 2026 17:43
Ability at what, exactly?
Are you just saying it's some power handed down by God?
30AnonymousSep 27, 2026 17:48
Re: #20
That's right… no matter how much effort you put in,
you'll never draw better than me, even though I've put in zero effort.

Then again, I'll never be able to play an instrument, ever.
21AnonymousSep 27, 2026 17:43
There are differences in ability, but that's not everything.
You surely have the latent potential to make up for that gap.
Believe that you do, and study like your life depends on it.
You'll be amazed to discover just how much power you can pull out of yourself when you do.
25AnonymousSep 27, 2026 17:46
There was that whole thing about the household income of University of Tokyo students' parents.
27AnonymousSep 27, 2026 17:47
I genuinely have no idea what this school is even trying to say with this ad.
28AnonymousSep 27, 2026 17:48
Re: #2
Wrong.
It's all genetic superiority and inferiority.
34AnonymousSep 27, 2026 17:49
Re: #28
Genetic superiority or inferiority mostly falls within the same range for most people,
but things like home environment vary a lot more, so environment ends up having the bigger impact on outcomes.
45AnonymousSep 27, 2026 17:59
Re: #34
What matters is genetics.
Intelligence is said to be 80% genetic,
and physical ability 40%.

It's about whether you can pick the talent you're actually suited for.
If Ohtani had chosen to become a manga artist,
he wouldn't have succeeded no matter the environment.
29AnonymousSep 27, 2026 17:48
That's terrible discrimination against people born with severe intellectual disabilities.
Sure, academic ability isn't assessed the moment you're born, but still…
32AnonymousSep 27, 2026 17:48
In studies on the academic performance of identical twins raised in different environments,
subjects like math apparently show a fairly strong correlation,
though the takeaway is still that environment is the bigger factor.
33AnonymousSep 27, 2026 17:49
When twins were raised in separate environments —
one rich, one poor —
they're said to have ended up with the same results.
35AnonymousSep 27, 2026 17:49
Of course there's a huge difference, obviously.
Who's still spouting that kind of nicey-nice nonsense these days?
38AnonymousSep 27, 2026 17:52
There are tons of ability differences, plain and simple.
The real question is whether you can still put in the effort knowing that.
39AnonymousSep 27, 2026 17:52
Well, of course identical twins share the same genetic factors.
You'd need to compare people born with severe intellectual disabilities against everyone else instead.
40AnonymousSep 27, 2026 17:53
There's a fixed ceiling on how far effort alone can take you.
Same as with sports.
47AnonymousSep 27, 2026 18:02
Re: #45
'If Ohtani had chosen to be a manga artist, he wouldn't have succeeded in baseball' — that's literally you proving the importance of environment yourself.
57AnonymousSep 27, 2026 18:13
Re: #47
It's not environment —
it's talent genes.
Can't you understand that?
52AnonymousSep 27, 2026 18:07
I think both athletic ability and IQ are shaped to some degree by the environment you grow up in.
53AnonymousSep 27, 2026 18:09
Re: #52
No, that part comes down mostly to what you're born with.
59AnonymousSep 27, 2026 18:15
Re: #57

That's not a counterargument — you're just repeating the same claim again.
62AnonymousSep 27, 2026 18:17
Re: #59
Can't you see that your own logic is falling apart?
60AnonymousSep 27, 2026 18:16
Hanamaki Higashi (Ohtani's high school) had thousands of students doing the exact same club routine.
Out of all of them, only Ohtani and Kikuchi made it big.
63AnonymousSep 27, 2026 18:18
Re: #60
You're explaining the causality of an entire population using extreme outliers.
71AnonymousSep 27, 2026 18:24
If there's no such thing as ability differences, then entrance exams, regular tests, and school records would all be pointless, wouldn't they?
74AnonymousSep 27, 2026 18:26
Re: #71
After you're born,
differences do start forming depending on your environment though.

Background and Key Points of This Debate

The phrase “ability isn’t innate, it comes down to effort” is commonly used in school settings as a stock line to encourage students, not as a scientific claim. That said, in the field of behavioral genetics, twin studies have built up evidence that some individual differences in intelligence and athletic ability can be explained by genetic factors, with the relative contribution of genes versus environment varying a great deal depending on the type of ability. The twin studies and heritability figures cited in the thread only loosely echo that body of research and shouldn’t be taken as settled academic figures. Some posts also raised the point that saying “there’s no such thing as innate ability differences” risks being insensitive to people born with congenital disabilities — highlighting a gap between educational slogans and how those directly affected might receive them. The thread reached no clear conclusion.

※This article is excerpted and summarized from the 5ch (Hello! Project board) thread “A school ad drops some real talk!! “There’s no such thing as innate ability differences”.”

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