Board Thread:General Discussion/@comment-27329883-20160114003049/@comment-6697950-20160114133511

Neither side talks about it unless they need to. You wouldn't go and tell a person you've just met "Hey, I've been trapped in a game for two years and saw my friends die.", nor is it polite for someone to ask about it. Sinon had a suspicion about Kirito being an SAO player before he revealed it himself, but she didn't really try to confirm her suspicion. It's not like it's illegal for people to reveal that they were part of the death game.