When radiation exposure levels increase (realistically), we get more health problems like skin cancer, not everyone suddenly changing body parts like that.
Besides, it would require something tremendous to change our "base-10" counting system. Not only is it ingrained in our culture worldwide for centuries, but it's practical and easy to use.
Alright so, having read only the image OP posted and this comment here, I don't really think you're being transphobic at all, only expressing your sexual preferences, which is fine. No one should feel pressured or forced to "like" something they don't, specially in this context.
I get why people might get a bit nervous about the specific words you used, and maybe I didn't get to read something that might be deleted but...
I think you're ok.
"They would be straying away from what I personally find attractive, and the fact they could be uncomfortable with what I'd be attracted to would be something hard to deal with for both parties involved" is what I understood you meant.
I just started testing it out and I gotta say, Sync for Lemmy is absolutely beautiful!
I'd buy it in a heartbeat if it offered a one time option!