While I sympathize with the gist of your sentiments: What's in it for FB? Nobody (outside of an HN-type crowd) wants to self-host anything, nor do they know what that means. The 30 yr old+ folks without any technical knowledge think FB is great and see no reason anything should change. You are basically calling for FB to reduce their monopoly to satisfy 0.01% of their addressable market. I believe the force that will reduce the significance of FB will come from outside of FB (and there is no shortage of people trying and failing to do that).