Taking the Piss
Unisex toilets are very modern, they flush away traditional gender binaries.
But if you go into a girls’ loo and the seat is up, then you can probably assume that the toilet has just been cleaned. If you go into a unisex loo and the seat is up… then I’m not so sure.
And what is the etiquette with the mirrors? Narcissism is less shameful with a single same sex audience.
And the amenities: free condoms, but - no boys - that’s not what the bins are for.
I’m not sure that society is really ready for this u-bend.