The Tories have their own cabal of genderists as do all the parties and the more reality aligned in the party were slow to consider this an issue at all. Probably because for the longest time it was mostly left wing feminists and lesbians pointing out there was a problem and because 'wimmin's issues'.
I think Keira Bell followed by prisons, schools and sports woke up all but the most committed TRAs in the party and even some of those (Mordaunt) toned it down a bit because when it boils down to it Tories can usually be relied on to be party first.
I don't think the Tories as a whole deliberately fucked women on this one issue though I appreciate it could be a distinction without a difference. This all started way back with Labour and the train wreck that is the GRA and to a lesser extent unforeseen complications and contradictions with the EqA.
What happened in the intervening years following Labour losing the next election to the Tory/Lib coalition is what could be termed as a long march through institutions.
Having got the GRA through the activists turned their attention to the third sector, to quasi government orgs and think tanks, to educational settings, to feminist organisations, to local government, to grass roots campaign groups and to HR departments everywhere. This list isn't exhaustive and I think we all now know thanks to the Denton's document and other evidence how it worked.
I don't think most of the Tories saw this coming and probably not most of the politicians in other parties (bar a few who definitely colluded with activists over the years) either until suddenly it was a fait accompli and was presented to them with a nice bow as the next frontier of progressive human rights.
Since then we've had roughly 5 years of insane virtue signalling from hard of thinking MPs trying to square that circle- yes some Tory MPs included.
Currently there's a back tracking underway from the two main parties. Neither whom are doing a great job of it. Truth is, it's a gigantic mess to sort out that's been at least 2 decades in the making and decent politicians, if there is such a thing, majorly took their eye off the ball.
Both main parties to an extent would rather sit back and let women (and some men) exhaust money and energy battling it out in the courts and sometime in the future both parties will try to claim these victories for common sense as somehow their own.
That ended up being a bit long but is roughly my take on how we got here and I don't think it's possible to blame it fully on either Conservative or Labour-although Labour just about tip the balance for me personally due to the GRA.