You "doubt they are Marxists" yet they admit it for you hearing in the link below.
So back to our original argument: You equate the Boston Tea Party with the BLM movement, not because it's true, but because your analysis is shallow. Adding more evidence that Leftists want to feel good rather than actually do good.
Here's the link for your education
https://en-volve.com/2020/06/19/watch-black-lives-matter-founder-proudly-admits-blm-is-a-radical-marxist-organization/