It's also why I oppose using social authentication with anything. While we have access to our [Facebook, Twitter, Github, Google, LinkedIn] account today, what happens if they shut it down? We have no clue of the real consequences and no appeals process. It's the worst of both worlds.
https://montulli.blogspot.com/2013/05/the-reasoning-behind-w...
https://montulli.blogspot.com/2013/05/why-blocking-3rd-party...
He doesn't come across as overly prescient there, but there's definitely some of the familiar juggling trade-offs in his design decisions.
Tim Burners Lee was one of those people that caved with HTML5 standard, and several other standards under the W3C