With sincere apologies to my LGBT friends out there, I think you shouldn't take the bait on this one. 

The evangelicans are masters of the wedge issue. Gayness, gay marriage, abortion (goes without saying), etc.  Apparently they've grabbed on to the transgender boogeyman for this election cycle to pump up the base and get em to the polls.  You know the drill..."some creepy man posing as a woman will get into the restroom and molest your daughters."  They must have focus-grouped it. 

I don't think the transgender fight is your best political play right now.  Focus on bringing the working class back to the party that has traditionally fought for them over the republicans' oligarch masters.  Don't abandon LGBT constituents, but don't make this your signature issue, or you play right into their hands.

And to the LGBT crowd, please be patient. Show some restraint now to help beat republicans. Social norms are changing. This isn't an issue with the millenials. Hang in there.