What about all those people that claimed to have definitive proofs on twitter and on television and then it turned out that they had no knowledge of the facts?

What about all those people that claimed to have definitive proofs on twitter and on television and then it turned out that they had no knowledge of the facts? The broad statements might have some supporting fact but along the way some (Brian Stelter I think) have theorized that Trump was a Russian agent since the soviet union.