Its possible many richiest man finding a bussines that can earn them and double there money...
They even not scared to risk because they already rich and they can observed the ico that have a big chancess to success.
Yes, this is true. There are lots of people who already rich and get involved in ICOs, both as investors and owners of companies which launch ICOs. For example, there were Kin ICO, launched by already rich people, Reality Clash ICO as well was launched by already rich folks.
Also, there are lots of rich people who already invested in Bitcoin, altcoins or even ICOs. For example, Richard Branson, John McAfee and Floyd Mayweather just to name a few...
This is very beneficial to Bitcoin because as soon as more and more rich people get involved in Bitcoin its price will rise. They are also capable of huge influence among people, so this is good news!