Okay so the OP is saying that since Macbook Neo has the same hardware as iphone, but not locked down, so why is iphone locked down. They say its because of the app store profits.
Sure App store is not to be understated, but I'd add our phones include way way more personal information than a laptop like NFC for credit cards, personal photos, and all biometric and contact information. Not to mention cellular network connection and generally forms as a soft form of identity. None of these apply to a laptop. So form factor does matter.
BUT even if we unlocked the iPhone, the desire for 'MacOS on iPhone' is actually the wrong thing to ask for. Pete Steinberger had in this interview (https://www.youtube.com/watch?v=AcwK1Uuwc0U&t=1182) that UI is basically the wrong paradigm in a world where agents should do tasks for us in milliseconds. We should be able run any local services from our phone like grabbing
Good news is we already have this via terminal apps in Android. Now what's left is the ability for agents to run on your device and basically accomplish tasks for you