I don't think the point being made is that they can't share the same interest or the same organization but accusing the creators of astroturfing (Dorr brothers,

I don't think the point being made is that they can't share the same interest or the same organization but accusing the creators of astroturfing (Dorr brothers, Freedom Works, In Pursuit of LLc), being opportunists, and even foreign bad actors / agitators (Russian "Valentine Sons").