The 100 people most suited to writing and running dog walking apps are probably also the "best" at dozens of other similar tasks. Do these 100 people have the t

The 100 people most suited to writing and running dog walking apps are probably also the "best" at dozens of other similar tasks. Do these 100 people have the time to build and maintain a majority of all apps? If they do have time do they want to do it? Do we want them doing it? If not we'll have to fill some of these roles with people who aren't the best and inefficiency creeps in...