I mean, it probably doesn't matter, if we don't setup email, since git hardly uses it. Don't know, if it really matters.
Discussion
making nostr or lightning based auth for login is the most important i think
email notifications are of little value, but nostr based notifications are kinda useful but i don't think there is any model for how to do that properly either so...
email as 2fa is fine, and as an account ID is fine