Good point. Even if there were some sort of open source spec like the W3C specs, for instance, Twitter would still be a black box that could choose to conform

Good point. Even if there were some sort of open source spec like the W3C specs, for instance, Twitter would still be a black box that could choose to conform to the spec or not choose to. What we need is something more enforceable. So either you do something completely green field like https://blueskyweb.xyz/ https://blueskyweb.xyz/, or you spend $43B & roll up your sleeves to try and fix the problems with the current platform.