>> you now have single-factor authentication In many cases that factor is now Google's security vs. the same reused password that is your hobby + the year you

>> you now have single-factor authentication In many cases that factor is now Google's security vs. the same reused password that is your hobby + the year you graduated high school. It this is what makes it convenient enough to always use, it's probably still a step up. It's at least a better, slightly more distributed factor. And even then they're distinct systems, possibly not even within the same cloud.