I'd be willing to bet the vast, VAST majority of Americans cannot just up and quit their job because they got a hangnail and felt sad about it. Not having a job tomorrow is my biggest nightmare. It's a nightmare that haunts billions of people on the planet. gregd's astonishment at this article is understandable.
If you're socking away tons money into savings each month, you need to take a look at yourself [YES THIS MEANS YOU, person hovering over the "reply" button], stop and look at yourself and realize you are one of a very lucky privileged few who can afford such a luxury. Be thankful for it, and don't pretend to be surprised that everyone here is not equally fortunate.