Just linking to an article about collective decision making isn't really that helpful without quoting the article for your points.
So that article you posted talks about animal behavior, and that an economic view on collective decision making is a good approach for animal behavior.
As motivated in the Introduction, our review has focused primarily on an economic view on collective decision-making. The economic view is a staple of behavioural ecology, and motivates the tools of optimal decision theory for the study of animal behaviour.
Nowhere did they make the conclusion that collecting decision making is superior, especially in the context of humans.