"doesn't recognize my device"
Same here. In this case the device is the same browser I've been logging in with daily. The back-up email is one that hasn't existed for a decade, and the "secret questions" for which I generated random number answers and carefully saved don't match.
That's on a mostly throw-away account, so I don't care too much. On a more regularly used account I just checked I was able to log in fine. My email inbox is page upon page of spam that should be easily filtered on their end, but at least I can get in.