and if you read the original mission statement of BLM (as presented by Howard University) then it's not offensive unless you're a white supremacist.
"whose mission is to eradicate white supremacy and build local power to intervene in violence inflicted on Black communities by the state and vigilantes."
The current version sure seems to be enjoying capitalism and she has "resigned".
https://www.bbc.com/news/world-us-canada-57277777