And besides that, it selects for a population subset of high achieving teens who have been pressured their entire lives by overbearing parents to have passion f

And besides that, it selects for a population subset of high achieving teens who have been pressured their entire lives by overbearing parents to have passion for math & science/engineering. They may absolutely have no interest whatsoever, but their "tiger parents" helped them achieve to get in and now they're in deep water with no life boat.