He did say that it's not an investment for someone living paycheck to paycheck.

The crypto space is just about as full of crooks as Wall Street. Stocks are regulated but that only goes so far. Just ask everyone who was affected by Enron, Bernie Maddoff, Leman Brothers, or the rest of the financial services crash in 2008.

No one's saying dump everything you own into crypto. Responsible investing strategies advise that you never put more into any one asset class than you'd be comfortable losing and even then, use a trailing stop so that you don't lose it all. We're in such an early state that even a little bit put into bitcoin or a small basket of top tier currencies could outpace anything that's been seen in the stock market since the dot com boom of the early 90s.