but you already know what will happen next, don't you? People would stop using 2FA, then some donkey on government contract with access to nuclear weapons gets hacked, and everybody would lose their mind: "how could google be so stupid to allow people not use 2FA?!?!?!"
I don't know if you are being sarcastic or naive here... Why would Hillary use her own email server for critical government correspondence? I don't know! Reasons I guess. People on all levels tend do stupid stuff every once in a while