To me this seems tantamount to funding terrorists and yet no one will spend even 1 hour in jail. From a purely practical perspective, why doesn't the government pursue prison for individuals involved in this?
The highest levels of the government now are good buddies with people just like this. I'm surprised they aren't just being let off scot-free to keep their artifacts.
If you think the law has anything to do with justice I've got a bridge to nowhere for sale ...