I guess you must know more about law than Biden did 2 years ago when he publically talked about probably not having the authority: https://www.politico.com/news/2021/02/17/student-loan-forgiveness-biden-469677
It's nowhere near that straightforward. And for a third time, if it was the intent of Congress, now would be the time for them to clarify that with direct legislation. But they are not.
Everyone complaining or saying leave but nobody talking about alternatives that solve some of the problems. Mastodon exists. Nostr exists. BlueSky kind of exists.