McAfee is always bold and getting crazier than ever. He might be right but most probably it won't. If it won't happen he'll just say that people are crazy if they believe he will cut it. It was more like an expression that he risked a lot of amount in bitcoin.
Hes just promoting his altcoin, his projects, himself. He knows that Bitcoin is mostly young males would be fixated on losing their dicks.
IOW, smart marketer.
Do not take speculation advice from a marketer.