@Shostakovich phil,
somebody said...can't remember who, but I think a famous philosopher....that 'money is human happiness in the abstract'. In a world such as ours, money is the measure of all things. There was a survey done some time ago in the UK where a large number of schoolchildren were asked what the most important thing was for their future. The answer was, overwhelmingly, 'having lots of money'. Looking at a world where there are more than a billion people whose major problem is lack of money, it is not hard to see why they think like this.
I don't believe money can buy happiness, but rank poverty, or even financial distress, can make life pretty miserable. On the other hand, if your a 'self-actualising person' who is motivated by (for example) doing something exceptionally well, helping other people, or some other life skill, money may not mean much to you at all.
Now a counter-view. There is a contemporary philosopher I am familiar with who believes that a great deal of modern life is driven by a sense of 'lack'. We have a gnawing sense of our own mortality, which is suppressed. But like psychological energy which is suppressed, it re-surfaces in other ways. Typically it resurfaces as a sense of lack, of not having enough, of not having a worthwhile life, which can easily become an obsession with money and fame. This is because it is thought that being 'rich and famous' will help you overcome your innnate sense of lack. Alas, it is rarely so. But it does explain a lot of what goes on the modern world, the obsession with celebrity and movie stars.