I think this is a good point. In general, people who are motivated by money are probably more likely to advance in their careers, in part because the progressively higher-paying jobs require more personal sacrifice, whether in terms of time, liability, and/or mental/emotional stress. There is a reason they pay you the big bucks, because the work can be miserable, and in ways that are not always perceptible to the average person.
While some people who do not care about wealth may find themselves insanely financially successful, this is probably due to their special skills and talents and in-born drive for pursuits that just happen to be valued and needed by society. But most who are not motivated by money should not wonder why they are not among the monetarily wealthy.