There is a multitude of avenues to discuss photography. Photography criticism is not about talking about what sucks, but discerning the individual aspects of the art.
I visited one of my old art teachers last month, just to say hi and show him some of my recent work. He asked how Mr. Foo and Kiki were doing and I told him about one of Mr. Foo's projects... making a neon version of a certain famous disturbing image on the Internet.