@cstross@mikalai@mishaderidder@pluralistic I worked at Google back then and it was more complicated than that. Reader had serious security problems with JavaScript in RSS and it used too many Mustang machines for the number of users it had. It was also one of the many conflicting social platforms at the time they were trying to unify around Google+.
No, I'm not going to enable 2FA on my infosec.exchange account. I think I'd rather just have fewer accounts than have more authentication requirements.