These people you mention aren’t generating these theories nor am I suggesting we take their conclusions into consideration - my point is they have value as relays which are connected to networks you otherwise would not have access to, and as distinct relevancy ranking algorithms over the set of published information. For example, this WSJ article gets an increased weight in being exposed to me as a side effect of not masking out this person who is promoting it based upon their own, more widely scoped, conspiracy theory.