For example, a gay group may claim they are about sexual orientation, not gender, which glosses over the fact that partner selection is a gendered act. Identities produce winners and losers. Gender and Our Bodies Gender is special. Unlike other categories, gender goes to the core of our being. But consider non-op Holly Boswell.
Genital ambiguity causes discomfort and is a major cause of loneliness.
SRS technology favors appearance over sensation. Junior High health class curriculum illustrates how cultures attach meanings to the body. The social police use shame, and then violence, to force us to match. Trans-people react by playing along and burying feelings which are unearthed later. Even the fundamental interpretation of our perceptions requires us to think using symbols assigned by culture to combine and synthesize concepts taught by culture.