But there are hundreds of others who also performed! Why is he getting so much pub; just because he's "out?"
I think you're missing part of the context. There was a rumor, discussed in the Andy Cohen interview, that Johnny Weir was jealous of Adam. It's pretty obvious that Johnny was tweeting in response to that.
And, no, Adam is not getting attention just because he is out. He was not the only American out athlete at the Olympics, but he's getting more attention. Part of it is because people thought he skated great (and some thought he was robbed). Part of it is his personality. Part of it is because his is a story of persistence. And, yes, there are people who really like his looks. (And let's not pretend that looks (a.k.a. porniness) don't enter into the popularity of other skaters.