Ontimp

Yes but banning them is not the solution. E.g. in Frankfurt, Germany, we just have parking zones in the city center, usually by train stations. You cannot start or end a ride from anywhere else inside the city center. This has much improved the degree of chaos created.

Germany: Risk of (nuclear) war, reversion to digital quasi-feudal economic structures, far-right politics, etc.

What the others said. If you want a practical example of this working, have a look at eduroam. It’s the joint WiFi of all European universities and I cannot recall that there ever were any privacy issues.