Heck, the current bunch would consider FDR, LBJ and JFK right wing extremists, never mind Wilson.EMICT has the answer for you:
The Democratic party has left classical and most other kinds of liberals behind in a mad dash to far left marxism. the overton window has shifted so far left that everyone that isn't a radical extremist is now considered to be on the right. Tim Pool calls them the Political Homeless. The tent on the right got a lot bigger and support for Trump grew because a lot of these people embraced him for lack of a place to go, and not wanting to embrace the insanity and authoritarianism of the new radical left.