> "is almost impossible to block people on the internet" That doesn't actually mean anything though; the modern internet isn't some homogeneous medium people

> "is almost impossible to block people on the internet" That doesn't actually mean anything though; the modern internet isn't some homogeneous medium people choose how to interact with, it's a federation of privately managed networks and services. Amazon can control exactly what is required for people to become sellers on their network, and it sounds like they may actually be starting to do just that.