Kind of like Tor. Bad actors ruin all kinds of things. People who only see technology will only go on to repeat the mistakes of the past because they lack the necessary domain knowledge to know better.
"bad actors" according to their government, which could mean people who simply want the right to vote, or to live free from oppression, secret police, etc.
Across all of them? A very low percentage. Fraud and speculation is left, right, and center.
Unfortunately, only a few, like Bitcoin, can justify their existence on moral grounds. Hopefully the concept doesn’t get banned completely.
It's a matter of perspective. For many people around the world, the US government is the bad actor, the bad actor preventing them transferring funds through "normal" (US controlled) routes.
Doesn't change that many of the people using the system are also bad actors of one form or another.