I think he can does whatever he wants, he has so much money so is not a big los for him if he will not be Advisor for Others Icos.
Agree! John McAfee has lot of money, he can do whatever he wants, he is one of the reason of pumps and dumps, only one tweet from him, he can make millions of dollar in just one tweet. I am really disagree on what he is doing, promoting ICO or other coins, just to make money.