The main feature of crypto currencies is their anonymity. I don't think this is a good thing. The Governments ability to find money laundering and tax evasion and terrorist funding is a good thing. Right now crypto currencies are used for buying fentanyl and other drugs so it is a rare technology that has caused deaths in a fairly direct way. I think the speculative wave around ICOs and crypto currencies is super risky for those who go long.
All he said here is that investing is crypto is risky, nothing new guys. We already knew that (or at least we shouldve known that) when we got into this! High rewards come to those that take the highest risks.