The birtherism was definitely courting the alt-right and NOT populism. It’s also how he built his base.
White nationalist groups have seen an uptick in membership and activity since Trump started running and his campaign routinely stoked racial resentment.
Now Trump is threatening to kick immigrant children out of the country who are protected under DACA.
The campus culture stuff is not the same as antifa organizing, but I get why people see overlap. Just read up more on it, e.g. the account I suggested earlier. Thanks.