Earlier quoted context omitted.
It is never about how much money you have, rather what situation you are in, what you are expecting and what others around you have.
I wonder how much of that is innate rather than being driven by consumerist propaganda though. Do I really want a new car because the Jones's next door have one, or because advertising makes me feel somehow inadequate because I don't have one?
I think this comes back to basic primate social dynamics. We evolved tracking our social standing relative to others and wealth is pretty easy to compare. Advertising exacerbates that tendency but I don’t think there’s any way to get rid of it with standard issue humans.