Earlier quoted context omitted.
It is also a fallacy that one should make ambitious choices because some well-known few have succeeded. In either case you are making a decision out of emotion (fear or hope). edit: better noun.
Exclude the "well known few" from the list of successful entrepreneurs and you still have a list of people that is quite large. I am very fortunate I did not listen to anyone who told me their opinion when I was preparing to drop out of college some 5 years ago. As difficult as it was to do back then, the choices I have to make to run my company and keep my employees employed make that one decision appear patheticall…
I am glad you were successful, however your experience remains only anecdotal. I have one too: my father did not go to university, worked hard at his trade, started a business, and went bankrupt.