@kylo A friend was once told "Your emotions are socially constructed. Why are you falling into the trap of your Western subjectivity" after he cruelly broke up with her. You say Theoryheads? I say Insecure Sociopaths.
I was a horrible horrible awful (male) theoryhead as an undergraduate. What changed me was the experience of reading Michael Camille, a historian of medieval art, also queer, who used theory very much as a tool, not as a self-indulgent exercise in obscurantism but as a methodological framework with which to make observations about history that couldn't otherwise be made. He interspersed references to Derrida, Foucault, and Lacan amid beautiful, crystal-clear, immensely readable, and sometimes quite funny prose. An absolute joy to read, and it utterly transformed my understanding of what theory-informed writing could be.