It is unquestionable that there have been many popular people that did not have enough money. They have achieved a lot but they have no fortune. Are these people successful? According to the definition, they are not successful. Being successful is about achieving a lot, becoming popular and having a lot of money.
How much do we know about people who have achieved a lot yet they do not have any money? How much do we know about people who have a lot of money and yet they have not achieved as much as those popular-but-poor people? Our knowledge of both categories is incomparable.