Today's job market isn't like your father's, by a long shot. Go see this Financial Times Magazine article about the nature of 21st century employment. To be sure, it is set in Britain and deals with unemployed coal miners, but the principles are the same.
Modern employers are looking to staff as many jobs as possible with Type A personality, hard-driving workers. For us Type B folks it's just "too damn bad, laddie, you're back on the dole." This is probably what makes outfits like Amazon and FedEx possible.
