Because people want iOS (which has more and better apps) but with control. This is specifically about Apple controlling too much on their phones, and why that's

Because people want iOS (which has more and better apps) but with control. This is specifically about Apple controlling too much on their phones, and why that's acceptable. HKMap needs strong offline support since it's an actual map showing dangerous/important areas and people. It also used mesh networking for updates from other devices. Neither is possible on Safari. I would say that apps aren't as blocked as easily as a website either, but Apple proved that wrong which is the reason for the question on their control.