Is there proof? This kind of FUD is typical for the cryptosphere.
Do you realize the fake announcement resulted in 100 millions dollars growth in terms of Marketcap.
Do you really think none of them took advantage of this ? FluffyPalmface himself probably did.
Well, I actually think he wanted to make a point. Don't find it that hard to believe. There is no reason believe that the Monero team are all gangsters.