[jancsika]

> I’ve repeatedly observed that successful people seem to have very strong opinions and wondered if that was a contributor to their success.

Did you observe this both before and after they became successful?

Because there's a lucrative touring circuit in the U.S. (and probably in other countries) where successful people substitute "X" for their historical luck and charge rubes to hear their advice on how to use X to achieve success.

Edit: clarification