Luckily it didn't kick off both timesThere is no law that says you have to be attracted to, or have sex with a Trans person. There is no law to say whom you must have sex with. It always will remain personal choice.
So they can't call the Police on you for 'hurt feelings', nor drag you into court to force the issue.
Therfore they can scream 'Transphobia' all they like. They haven't got a pen, or tina to stand on in this aspect.
I've personally batted away two individuals who were 'Trans Men'. I have no attraction to someone who was the opposite sex - and now have false sexual parts added through surgical means.
Luckily it didn't kick off both times I said No. However, if it had of done, they would of roundly been told to shut up, F off, and go away.
Very possibly because women are more likely to take "no" for an answer than men are.