Two recent non-queer critiques of mainstream left-wing politics prominently feature queer issues, which leads Benjamin and Simon to go looking for a connection between the centrality of queer issues to progressive political movements on the one hand, and "political correctness" on the other.

The Vox article discussed can be found here: http://www.vox.com/2016/4/21/11451378/smug-american-liberalism

The Guardian article discussed can be found here: http://www.theguardian.com/commentisfree/2016/apr/26/conservatives-love-to-hate-political-correctness-but-the-left-should-rail-against-it-too