—“Do you agree that greed is the main source of all problems we face today?”—
No.
1 – Overpopulation of the untalented classes.
2 – Competition for status, because status increases opportunity.
3 – Factual differences in individual, group, social, political, and religious value in modernity.
4 – Lack of material value of vast sectors of the population – which will only get worse as technology advances.