There's a subtle difference here.  My earlier post pointed to your inability to recognize these subtleties, and you concurred.

"Black Lives Matter" came about as the result of a rash of shootings whereby the officers shot unarmed black civilians.

This situation is one where the message behind the slogan is what matters most.  These people are neo-Nazi racists.

https://www.splcenter.org/fighting-hate/extremist-files/group/white-lives-matter

Note that the ACLU is divided as I type this on the subject of what falls under the rubric of free speech and what constitutes yelling fire in a crowded theater.

I don't expect you to get it, but it's worth putting out there anyhow.