If you wanted to try and take a positive from it, that could be one way to get around the bullshit the government have been trying to push lately. No no we are not recording their genetics, we are just recording what they want to be identified as.
Its not a female toilet, its for anyone who identifies as a woman. Or if you wanted to be more literal by the normally used icons, skirt or trousers. Not sure where that leaves men in kilts though.