I know what you are thinking.
Depending on where you fall on the actor/writer Potterverse continuum. You either think this is a vote for sanity or a vote for bigotry.
Because that's what it is.
A vote.
The Tories won't be implementing it. They just know that they can sow more division within society so the next time they don't lose as badly. For they will lose, and badly.
For better or worse the party that finally brought in gay marriage has decided that there are more CIS folks than trans folks, and that people will forget about morality and simply vote on the lines of political correctness gone maaaad.
From Gerrymandering to Gerrypandering, these people are NOT your friends. Rape has been all but decriminalised and these people want to tell you only the party that presided over it happening can save you now, with dog whistle gender politics the DAY after an electoral wipeout.