Lots of people get tutored without becoming geniuses, hence tutoring isn't enough to make geniuses. Also many geniuses didn't have tutoring, they need wealthy enough families to afford public school which used to be a high bar but today most people gets it even if you include poor countries.
> they need wealthy enough families to afford public school
Note that what the UK origin term “public schools” means is not the same as what that means in other countries, which can confuse these discussions in a global forum. (In the US, we’d call that “private school”.)
