By CT Jones Under the twinkling lights of a still disco ball, a quiet, tense audience watches a man fight for his life. The room is full, as young and queer and young, queer New Yorkers in their twenties and thirties flit between tables and booths packed to the brim. This isn’t an election, or a championship football match, or the season finale of a prestige drama. It’s one of the hottest nights in television, all focus and tension aimed at a show that’s been running longer than many of its fans have been alive: Survivor. When Survivor first premiered in 2000, it presented the 15 million viewers who tuned in with an untested proposition: Would you watch a group of people struggle on a remote island in order to win $1 million? For 50 seasons, the answer has been yes. What’s changed is who’s paying attention. Hosted by Jeff Probst, Survivor has grown from a reality upstart to a stalwart fixture on network television.…