If "the historians" are immortalizing fake news on behalf of a known hate group (the so-called "Hebrew Israelites"), that is a problem.
You might want to consider your next move, carefully. That's not a threat, that's just reasonably friendly advice. The worst thing that I'm thinking of maybe doing to you is blocking you.
I don't know if you've been misguided or if you're toxic, but if the later label fits you, will you really deserve any better than what you end up getting?
If he chooses to delete that tweet, no problem.
and here
Let us note the failure of a line of historians to do a simple fact check, and then remember what they supposedly do for a living.
People can't knowingly rally around a liar and hold onto their credibility.