> But I think he's sent a signal to fascists and racists around the country that America is for white people and it's okay to throw your weight around
You have that exactly backwards. He was voted in legitimately by the right and center because the left failed to do anything to address their grievances, justified or not, and circumstances.
Trump (and Brexit, etc.) is the signal that the public is sending to the left and may heaven help us all because we're sure going to need it.