“Black Lives Matter's Effect on Police Lethal Use-of-Force”

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3767097

Give it a read, maybe it will change your mind. Organizations like BLM were formed to organize concerted protest and political pressure at a community-wide level. That is to say, it’s a direct result of people doing what you suggest they do: “people should care about what they do with themselves, their family, and their community first.”