Well, there's a solution to this: ditch that fruit phone until the fruit factory allows owners to use their hardware with the software they want. Let them click some boxes that yes, they understand that they'll leave the boundaries of fruity fruitland and beyond this checkbox dragons abide so abandon all hope all who enter here but otherwise let them install the software they want.
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Yes, I thought so too, they won't, not without a court order. Now that several courts have ordered such and there is a precedent which makes clear that those dragons aren't all that fierce the fruit factory shouldn't have any excuses any more but that doesn't bother them just as long as the true believers keep on coming for their indulgences. Hence, ditch that thing and maybe they'll get the message.
I'm on Android for this reason but it's not ideal either, Google is clamping down a lot. But yeah an Apple phone just won't work for me, there are wayyy too many things I need daily that won't work on Apple.
Or, perhaps, apple users are rational actors that have different weights to their tradeoffs than you.
The last time I checked Android, the security and privacy story was much worse than Apple. Further, it's not just me who has to make the change - it's the family I share photos and videos and other things.
Yes, I would prefer to have other App Store options, but it is balanced against other issues. (And yes, I have owned an Android phone before - every time I buy a new phone I compare the two again.)