Well, m'self for one. Any number of other trans people I've met in person and online.

As for the why: one of the really core issues trans people face is invalidation of our identities, both overt and subtle. Marking us off as "other" in situations where it's not relevant is a part of that -- even non-bigoted folks often consciously or subconsciously perceive us as not really who we claim to be, and while they don't wish to antagonize us directly, they can't quite bring themselves to take our claims of being men or women at face value, at par with... (read more)