Bingo!
For the sake of brevity, I'll crudely label the more xenophobic and bigoted portion of the US, "the right". The right's propagandists are not stupid. They are worthy adversaries. They will ABSOLUTELY find the most outrageous claims spouted by the woke and use those claims to stir up trouble.
E.g., when someone says "all white people are racist", the right's clever propagandists will absolutely use that to solidify their base.
Liberals have to stop pitching such softballs to the right. In a recent poll, a large percentage of people on the right said they'd still vote for the dumpster fire, even if he's convicted. You have to ask yourself why? And a part of why, is because extremists on the left are making it far to easy for the right to mobilize.
They won't really be able to control every crackpot with an ax to grind, but the question is whether they have any influence or pull within whatever faction they're purportedly a part of. But what also seems apparent is that it's not always clear as to where some of this stuff comes from, whether it's right-wing, left-wing, false flag, fake news - there's such a cacophony out there of different sources and various crackpots with axes to grind.
And as you say, Trump seems to have rallied many of the nation's crackpots together. But there are still plenty of left-wing crackpots who are against Trump. So, there's going to be plenty of fodder for either side to blacken and tar the other side as "evil" and the "worst thing in the world."
Personally, I guess I'd like to see cooler heads prevail, those who can approach issues logically and unemotionally. A line I once heard "We can talk sanity to madmen, we can calm mad dogs." But for those who have already gone off the rails and are fully in with the Lunatic Fringe, it may be a rough ride.