In South Korea, apparently, perverts like to hide spy cams in toilets and changing rooms to secretly film women in a state of undress.
www.bbc.co.uk/news/world-asia-45040968
Obviously in this country, when self-ID comes in, they won't need to bother with spy cameras; voyeurs and abusers will just be able to wander in to any place where women are taking their clothes off. Hurrah!