And even when working in a team, the team members are very often heterogenous. E.g. a surgery team with a surgeon, an anesthesiologist, a few nurses who are sp

And even when working in a team, the team members are very often heterogenous. E.g. a surgery team with a surgeon, an anesthesiologist, a few nurses who are specialized for surgery, etc. Such a team would never work if every member had the same say in the decisions. Ditto with airplanes and ships where you always have one person with the final say.