One thing I see often and often (I've done it too) is that when you quit your job to pursue your dream, everybody else working at a job is a sucker. They are too comfy in their life sucking job and one day they will get fired and realize that they wasted their time making someone else rich.
I was lucky that failure caught up with me really fast and I realized I am no better then others (so did the author).
But I've seen cases where the person believes in this so much that even after catastrophic failure they can't go back to a job because, well, of all the horrible things they said about being an employee.
I was in start up school this year and one of the common theme was about people who where at the brink of losing their home for an idea that was not even close to ready to launch. The instructor stress them to get a job.