Well, the original Macintosh that "1984" commercial was advertising was
sealed up and required special tools to open; it was only meant to be serviced by authorized dealers.
This has been the Apple way for many years.
Well, I was talking about the software, but okay, I'll bite:
There's always a way in, that's usually not the problem. You get the tool (probably for a reasonable price too, at least compared to what I mention further down below as a counter example) and that's that.
You're required to have some common sense, maybe a good manual (e.g. unofficial guide iFixit-style) and a fair amount of practice servicing electronics.
What's not so cool is excessive use of adhesives that can be hard to properly reapply / buy as replacement, soldered RAM (yes, SMD work can be done at home, but at much higher costs), batteries are proprietary instead of pushing for some industry standards, but maybe I'll give them a pass on that as long as the device can be operated using the outlet without a battery installed (which, by the way, doesn't go without saying in the tech industry) and of course amongst other things the hard to replace disks in Macs.
Meanwhile, their locked-down iOS is at their discretion, but every time they enforce stuff like this to that extend, it's a great reminder of how iOS just isn't a proper OS.
App Store, open-source or bust is NOT the way forward, it might be more secure, but ultimately it should be up to the user to decide which code to run, it's their device after all, granted running licensed software that CAN LEGALLY bind you to the agreements, then again those agreements may not always he fully compatible with laws and you're free to reign over side-loading and/or jailbreaking however you wish, depending on where you live in this world.
So again, just because Apple CAN do it, doesn't mean they are smart in doing so and certainly there is a difference between me having to buy a special tool to open and service my computer and me having to a) buy a Mac to side-load (because I have to compile, at least a wrapper) and b) if Apple "give the call", a developer will be forced to remove their side-loaded app. (btw, now we're back to square one where you have to jailbreak, in theory, to use f.lux, which as we all know is much less secure than being unjailbroken)
Sorry, I'm just not a fan of all this and as long as this prevails I'll always look at iOS as a toy system with some very good productivity apps happening to be on there as well, but many of which are cruelly limited in what they can do, thanks to Apple's restrictions, for better or worse.
Glassed Silver:mac
edit: sorry for the weird typos et al in this post, I fixed them. (hopefully all of them, but I'm in a rush so I can't proof-read any longer)