True, but not even that limited. Any individual that could benefit from not having to concern themselves with the outside environment. In addition to the senior citizens, you also have the handicapped, the makeup applicators, the cell phone users, limited eyesight drivers, the overall bad drivers, and more importantly, impaired drivers (alcohol especially).

Not just performance in terms of efficient driving and merging, but also safety and essentially taking human operator error out of the equation (for the most part)