I think it is possible that many people who start new companies are also passionate about making a difference in a specific field and that is what pushes them t

I think it is possible that many people who start new companies are also passionate about making a difference in a specific field and that is what pushes them to go through the trouble of starting a company from scratch. The people who take over from them, on the other hand, are likely people who don't quite have the same level of passion and who see success purely in monetary terms.