Twitter allows all sorts of garbage claims about Trump from mainstream media sources which simply cite "anonymous sources". Most recently the NYTimes claimed to have Trumps tax returns - without evidence verifying the authenticity. Over the last few years, Russiagate relied almost entirely on "anonymous sources" - and we all know how that turned out.
The conclusion of the investigation was that it wasn't reasonable to indict a sitting President not that nothing illegal happened. In fact, the wording danced right up to the fact that something illegal did happen but the President can't be charged while in office.
