I'd be willing to vote for a tax to provide public bathrooms where there is a need. W.C.'s should be at the top of any list of ADA-type mandates - everybody has got to go every so often. More often after a certain age. Bathrooms are relatively straightforward by comparison to housing, medical or psychological treatment and so forth. Hey, First job and use for AI and robotics: clean the stalls and enforce some basic rules.

China is going way beyond to 1984. Forget illegal immigration; native sons of the poor class are being forced to leave Beijing and go elsewhere. Everybody has electronic "papers", a visual and digital fingerprint trackable everywhere. Effectively you'll need a passport for homeland travel.