Here is what you missed:
@Mac9192 posted a link to a far-right edge of sanity blog site that contained an "article," lifted from a slightly more well-known blog. The original article was about what a right-wing commentator posted on Twitter about a tweet that had a video in it. The video, actually posted to Twitter by someone who was at the site of the occurrence and seemingly a supporter, shows a handful of people walking down the street chanting in a call-and-response, almost sing-songy manner, "Black children matter / Black Lives matter."
Several people responded to the original tweet who were there and none mentioned anything about anyone being terrorized, harrassed or intimidated. According to one person in the tweet thread, the BLM folks actually did make a donation.
Based on the video, this act of terrorism falls somewhere between the dude ringing the Salvation Army bell out front of a store and the campus preacher announcing that your upcoming spring break is a ticket to hell.
I'm sure Mac read the headline and maybe the opening paragraph of what he initially posted. If he actually clicked the link within the link he posted he would see this was just an example of right-wing commentators trying to rile up the rubes.
On the other side, I actually clicked the second link he posted about the incident and read the article. Under the article, there were links for other current stories, one of which was about the terrible killing of a police officer in a shootout. The suspect, a white male, was apprehended.
As I read, I noticed the story of this brave officer who was killed was written as a straight news story. It told the story of who the officer was, what happened and gave a little commentary about how members of the community responded to his death. The article did not, however, give any commentary on the cop killer. It called him no names and spoke of how people like him are destroying pillars of our society. It saved that type of language for the people walking down a public chanting, "Black children matter."