I think the transphobic trend inherited a lot of its energy from the anti-gay currents I watched my entire life, and which largely had the breath kicked out of them when gay marriage became recognized around the country.
Not all of the anti-gay current was about policing women’s bodies. Thats in there. But it’s also about what they call deviance. They have strict roles for people and you can’t keep anyone focused on their strict roles when anyone has absolute freedom to flout them. I don’t even think they care what trans and gay people are doing in other places. They care about their own authority to command their children how to be, and they think this authority is undermined if anyone out there can live a happy life in defiance of it.
That includes policing women’s bodies but is not limited to it. Things like making sure your sons have short haircuts and work hard at practicing sports are in there too. It’s about policing people generally. Blows my mind how they think the Left are waging a culture war when all we are doing is busting out of the cages they try to keep everyone in.