I, for one, appreciate the fact that 2FA is available with the service. Everyone should have it turned on for any high-value mail account they own, Google or no-Google.
https://ripe64.ripe.net/presentations/48-AbuseAtScale.pdf
1 million+ bogus authentication attempts per day, 60-100k auths per second (legit and not), etc.
I, for one, appreciate the fact that 2FA is available with the service. Everyone should have it turned on for any high-value mail account they own, Google or no-Google.