Put simply, a significant part of Trump's "army" is composed of the "non-college", people who never went to college, and would never go, they were intellectually separated from those who would go and become leaders and all that. So sure, Trump mocks the educated, for those who really will show up, are showing up, for elections, seeing Trump as their champion.
Sure, Harvard talent is great and necessary, but for too long this country offshored the jobs "the non college" used to have, this country lionized those with Phd degrees and denigrated those in the trades.
Happened in Hungary, in many places across the world, as the far right wins previously showed.