If I remember right BTC went from around $130 to around $70 within a week of the last bust but there are more and even better markets now. People will just migrate.
Maybe they knew each other? I think if you are going to run one of these sites the bare minimum you need to do is locate yourself in a country that isn't on co-operative terms with the US.
I do agree that he made horrible mistakes - it was almost self sabotage
Other countries are available . I'd rather live like a king in Cuba or something than live in fear in the US. I suppose it's also possible to run one of these sites from the US, but only if you're completely certain you've covered all your tracks, though I personally wouldn't like to take the risk.