Transgender people face discrimination at work, casual abuse in the street and long waits for NHS care. None of those problems will be addressed by t… - Helen Lewis

What the government proposes is a radical rewriting of our understanding of identity: now it’s a question of an internal essence — a soul, if you will. Being a woman or a man is now entirely in your head. In this climate, who would challenge someone with a beard exposing their penis in a women’s changing room?

The way I see it is this: everyone has a biological sex, and for most of us it’s unambiguously male or female.

Perhaps a comparison will help. The same progressives who push for pregnant people have no problem saying “Black Lives Matter”—and in fact decry the right-wing rejoinder that "all lives matter." Yet, hopefully, all lives do matter—and about half of the people shot by U.S. police are white. So why insist on Black? Because the phrase is designed to highlight police racism, as well as the disproportionate killing of Black men in particular. Making the slogan more "inclusive" also makes it useless for political campaigning.
Pregnant people does the same. The famous slogan commonly attributed to the second-wave activist Florynce Kennedy—"If men could get pregnant, abortion would be a sacrament"—would be totally defanged if it were made gender-neutral. And if we cannot talk about, say, the Texas abortion law in the context of patriarchal control of women's bodies, then framing the feminist case against such laws becomes harder. No more "men making laws about women." Instead we get: "Some people who are in charge of policy want to restrict the rights of some other people. We oppose that because people’s rights are human rights!"