I think their answer is "bitch and complain about everybody else".

This is a line I keep seeing from people who are just anti-action. "Trust me, I'm one of you, I'm a real activist, I'm on your side, and you're doing it all wrong."

It's just a really cheap way to claim credibility so you can tear down people who have anything to say. I wouldn't be surprised if it's straight out of a cointelpro handbook. Not saying everyone who talks like this is a personally an op, but I also wouldn't be surprised if coaching reactionaries to talk this way is also in their handbook. They can just send out an army of unpaid little shitheads to sow discord.