If you end up protesting alongside white supremacists, you're with them. You don't go to a protest supported by KKK just because you agree on a few specific poi

If you end up protesting alongside white supremacists, you're with them. You don't go to a protest supported by KKK just because you agree on a few specific points they raise. "Oh, hi, I see you're about to clash with antifa, but you see I'm also interested in preserving this statue, respectfully, I'll just stand here on the side". It's not like they were secretive about turning up there with a surprising agenda - the event was openly organised by white supremacists.