I don't think that's quite a fair comparison. As the proprietor of a brick-and-mortar business, you have the right to refuse service to anyone. Facebook is exer

I don't think that's quite a fair comparison. As the proprietor of a brick-and-mortar business, you have the right to refuse service to anyone. Facebook is exercising their equivalent right here by refusing to let him use their online services. The "stop distributing your browser plugin" is a nastygram cease and desist, yeah, but there's nothing wrong with Facebook banning him.