1. The amount of data collected is microscopic and therefore of zero statistical value.
The study included over 400 people. That is more than enough to be statistically valid.
2. There are no controls at all.
They used non-rich people as controls.
3. All the tests are uncorrelated as the situation is different for each.
What? They are testing for the same hypothesis.
4. And most importantly.. Correlation is not causation!
The researchers never claim it is.
discovering something they have preconceived (bad bad rich people!)
They do not put a value on any behaviors. There is nothing inherently "bad" about not looking at other people. In fact, maybe it is the other way around, and excessive attention to other people is holding back the poor. Steve Jobs once remarked that mediocre people focus on other people, while smart people focus on ideas. Of course, smart is not the same as rich, but they are correlated.