Here’s part of the reason why.
And from Roger in the comments: NBC News Goes Full Fascist: Voting for ‘Racist’ Trump Is ‘Not Only Immoral but Illegal’. Its conclusion:
Make no mistake about it, this is the real face of the modern American left. They want to destroy America as a constitutional republic, and in the name of “equality,” they’ll abolish every single one of its citizens’ rights.
It’s for your own good so why fight it?