You literally have to go through a regulated exchange to onboard and unload your illicit transactions. Not to mention your entire transaction history is public up to the exchange event. The biggest money launderers of today are literally the world's biggest banks. Go look up Deuche Bank money laundering fines.

Or anyone that wants to travel without having their 5 or 10k in savings confiscated under asset forfeiture laws.

But why on earth would a legit person have anything seized?

I don't know, you'd have to ask the police why they keep funding their police department with seized assets from people without trial or even suspicion.

100% separate issue from the credibility behind crypto users evading the law.

Well it's a problem that crypto solves.

Yes, same reason neo-nazis love the idea of free speech so they can spread their hateful ideology.