I think it was pretty evident that computers were going to continue to get smaller, handheld, wearable, what have you. Apple didn't invent the space, they just made the product that got people to adopt the new form factor en masse. That's no small thing. But, I don't think they deserve near full control and a 30% tax on all revenue transacted on that form factor as a result. We wouldn't have tolerated it if Microsoft had done it on the desktop environment. We wouldn't have tolerated if Microsoft forced all purchases through their platform.
We've backed ourselves into a weird spot. It's essentially impossible for a new platform to develop in the computing space. Google did everything it could to kill off Windows mobile. Mozilla took a crack at it and failed. There's an illusion of choice, but it's quite difficult to get by without an Android or iPhone. That became very evident to me with the pandemic. Virtual doctor visits, check-ins, mobile passports, and so required a device running one of Android or iOS/iPadOS. My wife isn't fond of smart phones, but we had to get her an iPhone to participate in society. Companies don't want to support web sites for mobile and Apple's support for PWAs is pretty bad, forcing you back into their app ecosystem. Moreover, switching platforms is quite expensive and often impractical, in no small part because your purchases are bound to a particular platform (desktop licenses, on the other hand, often work across operating systems or charge a nominal fee to have licenses for macOS and Windows).
That's a very long-winded way of saying, sure let's start with opening up the App Store for iPads. I think we should do it for phones, too, but I'll take what I can get. For many people, their phone is their "computer" these days as well and as I said, I think that result was inevitable. We can argue about whether smart phones are general computing devices, but I'd argue the only reason they're not as "general" as desktops is because Apple won't allow them to be. Microsoft and Samsung both had interesting technologies (Continuum and Dex, respectively) that could turn your phone into a portable desktop that showed promise for what the space could be. But, people make do with the restrictions placed on them, if for no other reason than switching is expensive and hard.
Regardless, smart phones a completely different class of device than video game consoles. People run many of the same tasks on phones & tablets that they would on a laptop. Despite that, video game consoles are more open. I can buy video games from a dozen different stores, get them on a secondary market, and I can lend them out to people. But, let's open up the consoles too if that's what's holding us back with Apple and Google.