They're planning a coup.  This has been in the works for at least a few years now, they've been preparing for it, hence the riots this year, but that's what they want to do.  Trump could win by 99% of the vote and it wouldn't slow them down in the slightest.

And they get all the Democrat governors and mayors in place as believing that they'll still be in charge after the coup which isn't how those things work.