BLM is openly anti-semitic and anti-Israel. It is also for black supremacy and really does mean that "black lives matter" implies "non-black lives do NOT matter". They have always been quite explicit about this. How come they keep getting away with it?
Here is finally a Jewish article that sums up the monumental error of ignoring the true nature of BLM and of dismissing their supremacist core:
https://www.jns.org/the-black-lives-matter-movement-and-anti-semitism/