As I understand it, and this is down to rumor I have to say at the start, he was told that he could return to Russia, or his friends and family would be abused/

As I understand it, and this is down to rumor I have to say at the start, he was told that he could return to Russia, or his friends and family would be abused/killed. In that context his behavior makes a lot of sense, he's angry, he has nothing to lose, and the only way to he can keep his loved ones remotely safe is to suffer through this nonsense.