Not necessarily true. There are powerful cultural forces at play that they're not willing to acknowledge, yet alone overcome.
We're kind of in the same boat. We think that if we have more, then we deserve more before those who have less. That's just what these people are doing, only they're doing it way better than us.
The core problem is consumerism. The idea that if you have more, then you should get more and spend more while complaining you don't have enough.