There is just one problem: The line has to go up. The big incumbents rely on ever increasing engagement. It is their business model. I don't know what happens

There is just one problem: The line has to go up. The big incumbents rely on ever increasing engagement. It is their business model. I don't know what happens when that goes down dramatically, if it ever does like the article postulates, but its not an peaceful transition to little federated alternatives.