If you think about a very popular federated system called email, it's pretty easy to see why the local controlling body is not only fine but in some cases a ver

If you think about a very popular federated system called email, it's pretty easy to see why the local controlling body is not only fine but in some cases a very desirable property. And the "scale" argument for email centralization is obvious bunk for all properties of "scale" that aren't "some people can redefine what email is on a whim", but even without centralization google is still pulling that one off.