Oh, and to further brighten your day, BLM is a 501(c)(3).
Which is another point that makes me madder than hell as you expected it might-the involvement of non-profits such as churches in political activity. I live near a "church" that looks like this and has for the last five or six years:
It makes me hopping mad they can do this and be tax exempt. I drove by it recently, and there were young, high school age girls jumping up and down with car wash signs, looking for all the world as if they were raising money for a cheerleading squad or a softball team, but it was to raise money for Black Lives Matter.
Insanity. Those tax-exempt laws should be overhauled.