At the end of the day, the "outlaw" nation states are the ones that are going to be operating these things and then use the money to fund their black budgets.
It doesn't matter if they can be identified as long as they can change the bitcoin to cash in an allied country.
https://www.bing.com/search?q="deported+from+vietnam" + https://www.google.com/search?q="deported+from+vietnam" suggest otherwise
Also, often there are very simple solutions to potential problems from bad OPSEC practice. If they had just bribed the local police they could avoid getting caught, or get out easier. Just ask John McAfee!
Typing the wrong password, public key, or even favorite bash prompt anywhere breaks opsec. Even a common typo would probably identify you pretty quickly.