Earlier quoted context omitted.
In popular US culture the pursuit of wealth, is framed as crass. Movies that some see as promoting wealth accumulation are often actually critiques against wealth. Also, since the mid 60s pop culture has embraced the slacker as being hip and cool. They guy and gal trying to get ahead are portrayed as greedy or at best blindly joining a rat-race forgoing more noble pursuits. Not so for many other cultures.
That's because America is fundamentally a Christian country. I know no one wants to hear this. But this zeitgeist is unmistakenly Christian. Interestingly enough the same forces are at work in kerala, which is one of the most Christian states in India (and the ruling communists are associated with them)
Prior to the mid 60s seeking betterment and wealth was one of the main reasons people migrated to the US replacing religious persecution back home as the main reason to come.