Ok, we made it so YouTube only fetches an enter URL of a video, and when you click on a video, that opens. Only YouTube can give you the actual video link as it is stored and associated in our own database, and you only get it when logged in with Google (so basically you need an account to watch videos but not to see the thumbnails).

Now, we'll only allow Google account sing-ins from a trusted browser or trusted website. This is of course for your security. We will provide you a custom token if you ask to approve a browser, website or an app and we'll take careful looks to see if it violates our policies or not. If we don't detect a valid token provided by your browser, we will display an error message and won't allow you to sing in. Firefox has to also implement this in order to stay relevant (most people need allowing Google logins). The policy bans all things like scam websites, some other things and things against TOSes including YouTube's. Third-party apps blocking ads will be not permitted by YouTube now. We will reject any approve request done by things like Piped and Newpipe.

Have fun with your broken pipe. If they find a fix, we will break it again (: