That courseload is completely unremarkable for a first-year with experience in competitive programming (like Wang had). I know a dozen people who did the same.
i know a dozen who come close but none who did the same, nor who had the entrepreneurial bent so early... curious who are these people you have in mind?
Alexandr is just a dude, like you or me, with his own life and his own worries and his own problems. He’s more like the rest of us than you seem to think.