Not a huge loss, if you depend on federated logins its just a matter of time until Google or Facebook's algorithms decide to ban your account without explanatio

Not a huge loss, if you depend on federated logins its just a matter of time until Google or Facebook's algorithms decide to ban your account without explanation or recourse and then how do your users access your site? All you'll be able to do is try to shame the companies on social media and hope enough people are outraged that the company takes notice.