Are customers really going to have a choice? It seems more likely a bunch of big companies are gonna want to get into the game of distributing apps to get the x

Are customers really going to have a choice? It seems more likely a bunch of big companies are gonna want to get into the game of distributing apps to get the xx% cut of IAPs, and there will be exclusivity contracts for every app you want, and you'll have to install 5 app stores that will each be managing different things, and you'll no longer have a centralized location to manage recurring billing subscriptions like we have right now.