Earlier quoted context omitted.
I think the rub is that a lot of the apps built at these massive companies use unnecessary third party frameworks and build their apps in janky ways, so while the content of their app doesn't appear to need anything special, it's actually standing on top of a house of cards built out of 3rd party APIs that are doing janky things that break between OS updates. If they just built their apps fully natively, using UIKit…
Yes, let’s have the company pay for an entire development team to learn Obj-C or have additional hires, just so their apps can do on Apple’s platform what it can do everywhere else just fine. /s
Apps simply don’t work ‘just fine’ everywhere else.