2FA is nice and I'm glad its finally been added.
Until I got a new phone and don't have access to my Google Authenticator accounts anymore (my fault, I didn't know I had to transfer them) since they don't save on the cloud.
I messaged support to hopefully recover my account a few days ago but no response yet. I know you're all busy, that's okay I guess.
Backup codes/SMS fallback need to be implemented to avoid situations like this.