Comment by jimnotgym

If a locked down app store is necessary for say safety, perhaps a good analogue is a water utility company. A water company has a monopoly in an area, due to the impractical nature of duplicate infrastructure. However, in return it may be heavily regulated in terms of its safety and pricing.

If you have to have a single app store then their prices should be regulated, and crucially there should be proper recourse for developers denied access to the platform