Sure, those man never have enough. They think they always deserve more than the others. Oh, and it's not a secret they invest in bitcoin because it feeds their ego.
If millionaires are aware about bitcoin then they should go for investment then by this step more people will come to know about bitcoin because as we are watching bitcoin market is going upward and there is no issue with bitcoin by something so we are watching very bright future of bitcoin so millionaire should need to invest and should intro of bitcoin to other millionaire who are unaware.