I'm seeing the same thing, in relatively mainstream conservative fora.

The most convincing part of this seems to be that Alwaleed bin Talil has longstanding ties with the US political system, particularly on the left. His past work with the Podestas has many eyebrows raised.

There are also dozens of sealed federal indictments pending, which I'm told is quite unusual. The assumption seems to be that they are related to Mueller's investigation although I've seen no compelling evidence that this is the case, aside from timing and wishful thinking.