Earlier quoted context omitted.
Greed is perhaps one of the most powerful motivators known to man.
Probably because it largely acts as a proxy for survival mechanisms. Give most people want they need and a little of what they want and you'll find most greed driven behaviors largely disappear except for a select few who I'd argue have dysfunctions or lack basic social maturity.
https://www.smithsonianmag.com/smart-news/how-mouse-utopias-...