I wouldn't put it exactly this way... It's definitely risky. On the other hand, what isn't?
Even usual food could be dangerous because of potential choking, food poisoning, etc.
I believe before getting into crypto people must learn the basics of security. Of course, we can also learn it after we start trading crypto, but it might prove to be too expensive in the end...
Why do you think crypto is dangerous? I think all types of investments are risky, not just crypto. The danger is that when people lack the knowledge of the crypto market, they also do not have the patience and calm when dealing.