It is true that there are ways to protect yourself from losing money in crypto, but we can't always predict the right price movement, the hackers also getting smarter and smarter, and not all people understand the technical things and even with all the speculation and knowledge, crypto still a risky investment
Of course,people still afraid to invest due to market volatility. Crypto market can change value with in an hour with a big fluctuation. That's it is very risky to invest and for some people that's reason for not gambling their investment.