Superior human cognitive ability is a merely an instrument of male territorial aggression which was subject to a fisherian runaway sexual selection process beginning around australopithecus and terminating with the advent of civilization. This process accelerated, jerked, snapped, crackled, and popped because superior human cognition has a side effect of enabling humans to more effectively extract resources from their habitat.
To even ask the op's question is to presume some utility or value for superior individual cognitive ability. It isn't meaningful, useful, special, or advantageous. An outright stupid human is perfectly capable of achieving the resources, relationships, habits, and social standing among peers necessary to be reliably content.
If anything, the gifted man is burdened by going through life with the false conviction that his life and ideas matter more because of some trait he possesses which is altogether vestigial in the modern world.