Just because you've always done it that way doesn't mean it's not incredibly stupid.
Some customs have been handed down generation by generation, all the way back to our forefathers. But remember: our forefathers were actually pretty stupid. They wore those dumb powdered wigs and everything.
Instilling the self-confidence kids will need to carry them through all the failure they'll experience because they weren't taught competence instead.
Because there's nothing standing between you and your goal but a total lack of talent and complete failure of will.