- Some people do think about it. - Some people aren't interested in that kind of life. - Some of the people who are interested don't have the aptitude for it.

- Some people do think about it. - Some people aren't interested in that kind of life. - Some of the people who are interested don't have the aptitude for it. - Some of the people who are interested and have the aptitude, don't get lucky enough to make it. - Even if everyone was interested, capable and lucky, you can't have an economy where everyone is an entrepeneur.