I don't understand how he was singled out by the Feds. Either the transactions were for very large amounts, or he had ties to Silk Road possibly.
There was a time Burt and some other guys made lots of coins with loans and other stuff. Looks like big brother now wants his share... The same could happen to others out there. Their names are known.
The forum definitely needs a 'delete all posts' button for an account though. You never know who might be the next target.
That won't save you. There are plenty of copies of forums posts across the internet and theymos + others have plenty of db backups, and as we seen with Ross Ulbricht, they can be subpoena'd to hand over data from those backups.
That's pointless anyway. If you're doing something illegal and you get caught it's most likely not because you posted about it. It's because you were doing something illegal and were caught doing it. They may use your posts to back up their case but that's just a sidebar to getting caught. The moral of the story is to stop breaking the fucking law. If you can't make yourself stop breaking the law where you are then move to someplace where the laws are different. I feel sorry for his kid (I'm assuming that's his daughter in the photo). How awful to have one of your parents in jail. What could she possibly say to her friends at school when she's asked, where's your dad? Very sad.