They re showing lots of Blue cities and also Washington DC businesses and even some government building being boarded up with sheets of plywood for the expected coming riots.

It is implied that it will be Right leaning folks who riot. Possible, (but unlikely)

It is always, however,  in Blue cities that this happens, and Right leaning folks generally don’t randomly riot and vandalize entire blocks of cities….That is more the left that does that sort of behavior.