The ability to perform higher order thinking gives us the responsibility to communicate our ideas and vision to others who can further explore expand and refine the knowledge of our species.
If the individual profits but the group suffers, eventually there will either be a loss of the catalyst or the group. Neither can survive without the other.
Without the ability to control our baser instincts and desires, the higher possibilities of existence are unobtainable. This is simply due to the baggage generated by an unrestrained ID.