The red political establishment loves things that make people recoil at the complexity of the real world. Even twenty years ago it was the prospect of artificial wombs and men having babies. Today it's humans with penises using the same bathroom as your daughter, amongst many other tempests in teapots.
Similarly, the blue political establishment loves vibrant examples of injustice, doubly so when that addressing that injustice doesn't rock the corporate order. So someone having what is essentially a rare medical/social condition, getting singled out and dumped on by the red team for political purposes, resonates strongly.
And thus is our hyper partisan world. It's not enough to ignore the topic because you don't actually know anyone who is transitioning, have it be fine to make some faux pas like when any cultures mingle, and rely on the general good faith of shared humanity to come to an understanding.
Rather, you've got to proactively stake your stance as some obtuse pro/anti, reject or "accept" an entire abstract group, and then conspicuously demonstrate your stance to the rest of your tribe.
I think you'll enjoy this article from 1940: https://www.foreignaffairs.com/articles/germany/1940-04-01/p... ("resonance")