I wonder if he even cared at that point. He said he traded all the information he knew in order to find Asuna's whereabouts.

They have plenty of good reasons not to give out anyone's real name and location now that they've gotten out, unless there was a very good reason, or they brokered an information deal. I'd bet there are a lot of people who would happily murder each other for actions taken in the game.

Hell, people do that IRL. Rarely enough, but it happens. They usually get arrested before they do anything though.