This isn’t an example of transphobia getting out of hand. This is what it is. Just an excuse to bully people.
It's gatekeeping femininity. Think — when was the last time a TERF got upset about a cis woman being harassed or beaten-up for using a women's restroom but appearing too butch? Why aren't they upset when trans men (that they think are confused women) get beaten up for using the women's restroom?
MORE OF THIS!