If you think that BLM is just a grass roots funded organisation, think again, for it is clearly a corporate construction:
https://www.breitbart.com/politics/2020/06/11/the-complex-funding-and-ideology-of-black-lives-matter/
“As the Washington Times noted in 2016, Black Lives Matter (BLM) presents itself as a plucky street-level movement with shoestring resources, but in truth it receives millions of dollars from corporate and political sponsors. The movement’s funding gives a hint of how far its political agenda stretches beyond criticizing the excessive use of force by police officers. Fortune also looked at BLM funding in 2016 and noticed its agenda and funding streams could “help dispel the myth that the movement itself is set on violence,” but could also “confirm the worst fears” of skeptics who saw BLM becoming another part of the vast and protean left-wing money machine. The machinery of BLM funding has only grown more complex since 2016, exacerbating a problem skeptics have warned about from the start: it is very difficult to know what each dollar donated to the movement will actually be used for. BLM’s major financial supporters include: