[jcmeyrignac]

This is nothing new. In 1913, Max Ringelmann measured the effort of individuals when working in a group. The results are impressive: https://gallica.bnf.fr/ark:/12148/bpt6k54409695.image.f14

A group of 8 persons provides the same amount of work as 4 individuals.

[rramadass]

Yep, This is why small teams work best. It also helps in maintaining better overall "Conceptual Integrity".

Ringelmann effect - https://en.wikipedia.org/wiki/Ringelmann_effect

Social loafing - https://en.wikipedia.org/wiki/Social_loafing