Here's a Harvard Business School research paper that suggests that in certain kinds of venture-backed startups, those who have failed before have a slightly higher rate of success.
I guess I make an assumption here that becoming a better person by developing credibility & confidence helps you as an entrepreneur. Would you agree this may be the case for some young entrepreneurs?
This is a tricky one. Have you thoroughly discussed your concerns with the management? Sometimes there is rational reasoning behind things that seem unfair. I believe that being able to communicate about things like this openly and establishing trust can be quite important in determining your success in resolving this concern.