The mainstream news reporting on Portland (and other regional rioting) got to the point where they were bald-faced lying about peaceful protests standing in front of burning buildings. The most charitable interpretation I can think of is that these professional journalists think that their readers can’t understand a nuanced world of gray and need everything reduced to black and white. There can be a concept of “BLM”…
Obviously this is to control the narrative. Why would they shoo and have "minders" ala repressive regimes? Is it because "fake news" (that'd be a tough sell coming from the left who question that assertion). Is it because they don't want people to see the underbelly of the movement or at least the bad elements in their movement? What we do know is that if you are an organization looking for change, if you're not very…
It seems to me, as an outsider, that this has already happened given what started as good intentions from occupy Wall Street down to whatever we have now. I can’t imagine the goal was actually burning buildings, but is a subversion of the goal.