But Apple's (duopoly level) gatekeeper status on global/mobile applications, services, information and transactions is allowing them to hold back an enormous amount of latent innovation.

Shelf space is important and necessary for many businesses, but that isn't where tomorrow's world is being crafted.

But relatively fair competition is still a necessary component at the scale of an economy. If we are to retain any approximation of equality, equity and not hamper innovation.

If someone somehow owns the only viable commercial water supply for a city block, they can demand whatever they can get from any business on that block that needs water. And each business should make good decisions for itself in that context.

But if someone owns all the commercial water supply for a city, people are going to take political action to alter the economic equation if it starts leveraging that capability to the general cities detriment.