Those fall into the "hard to quantify" category. They are positives, yes, but there are equal amounts of negatives to go along with them. Hard to measure exactly, so I went with the easiest way to measure "worth it" in terms of running a company... finances.
What about being your own boss? What about learning & producing at 10 times the rate you would at a desk job?
Also, I think you'll find there are plenty of "Nobodys" with past successes. Don't do it for the fame.