Sorry about the gender thing. Transgender people are really biologically distinct. I think we're going to get to a point where we're past this idea that everybody has to be one thing or another. I mean, I'm never going to argue with any person who wants to consider themselves the opposite gender, but I'm not sure why you would want to embrace that as opposed to developing an identity as a transgender person. Yes, we get treated pretty crappy, but otherwise it's not like it's inherently bad. To be honest, it's actually pretty cool as long as you're not saddled with crippling mental issues from dealing with the gender binary.
The alternative to recognizing that mental gender is a separate biological process which occurs after the sex organs are developed is to tell people that their gender does not exist. This is resulting in mass suicides. If your position is that transgender persons deserve to die, well, I suppose that would be logically consistent. I'd very much hope that not to be the case, however.