Ah Mr S, you made me guffaw!!
Mission accomplished!
I suspect it's driven by cost rather than the dreaded 'wokery'. We have a new building on the site, but they have separate loos there too. What makes me laugh is restaurants where they have separate Ladies and Gents, but each is a single bog with a lockable door.
That makes me laugh too. If it is a lockable separate bog then who cares who uses it!
Cost will be a factor. Ours has less toilets than we used to have on our floor combined and I think it is cost and space seeing as we have less desks on our floor in a weird blending of home working and office working