It's getting said in plainer terms now (good), but this has always been the argument.
Some women will be assaulted, raped and murdered if single sex spaces are removed... but better women should suffer some collateral damage than vulnerable male born people should.
Women will lose dignity, privacy, emotional comfort - but that's acceptable collateral damage to meet the needs of vulnerable males.
It's been there front and centre from the start. This is the age old, millenia old beliefs:
Women are subordinate, lesser type humans who were born to less in life and need to accept this
Resources belong to males who will let women have the bits left over if they choose to
Women deal with pain, suffering, the shit work etc etc better than males and were designed by nature to do so
Any good person with a vagina is your mum and will put male needs above their own, self sacrifice, take what is left over and mop up after everyone else: any female who doesn't do this is a bad woman.
I haven't been kidding when I've mentioned male supremacism. This is pretty much it. And note the wholly sex class based thinking. (From those who will tell you, for hours, how sex doesn't exist.)