In this thread and others I've seen this: Shouldn't individuals have a right to have terrible opinions? Of course they do. But a surprising number of “free speech” and “free market” people don’t seem to understand how either works. Individuals have a right to support white nationalists. Individuals also have a right not to do business with those who support white nationalists. Individuals also have the right to organ…
In any case, I don't see anyone denouncing the right to protest, just the protest itself, which is the next turtle on the way down from your sentiment.