"it probably would be a good idea for him to mention there that he is the moderator of the site"
I have mentioned that also in the past as I am sure others have.
Likewise for sama, for pg, for that matter anyone else that is involved in HN or YC. (Some do of course but for the life of me I don't know why sama and pg do not). All not listing info like this does is simply enforce some secret society of HN. Which is funny given how many comments seem to rally against things like that. It's like "let's shun the newbies and put them at a disadvantage vs. established people who know the ropes and the players..". "Isn't it funny when a newbie doesn't know they are speaking to Sam Altman in their reply haha.