A) it’s not irrelevant at all. Perhaps you don’t do web design, or perhaps you restrict your designs to functionality Apple doesn’t actively or passively prohibit.
Then you might not be aware that Apple does not support everything other browsers support. Or takes longer to support some things.
The internet has two ends (at least), media source and media user. Both ends require compatible software for any connection to work or work fully.
B) Of course I omit other irrelevant issues. No need for argumentative non-points.
A suggestion that would help me understand you better:
Instead of simply dismissing points out of hand, respond with reasoned thoughts.
Maybe you have a sensible viewpoint?
I have no issue learning from you.
If you can communicate how Apple blocking alternate browser engines doesn’t actually block other browser’s additional web functionality, please explain your work around.
I would appreciate any solution you have. So would many others.
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Apple also prohibits (via there App Store) non-browser apps based on how they use the Internet. So that’s additional gate keeping of Internet functionalit.
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Read Apple’s App Store guidelines for developers. Apple is up front and clear about all these restrictions and prohibitions.
I am lost as to what you are trying to claim they allow, that they openly document they don’t allow.
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Perhaps you have confused internet functionality with Internet addresses.
Indeed, Apple doesn’t block IPs.
But some kind of software at both ends is still required to communicate across the Internet. And blocking specific kinds of Internet functionality at one end, effectively blocks it from both ends, on their locked down devices.
You have confused "Web functionality" with gatekeeping.
You can use WebKit to visit any site you want; whether it supports every technical feature you might encounter on a site is irrelevant. I'm not arguing that it's a good engine or even competitive. I don't question your objections to missing functionality, and probably agree with all of them. But that is not gatekeeping. That's like saying black-&-white TVs were "gatekeeping" by not showing color, or some Bluetooth speakers are "gatekeeping" by not being stereo.
Anyway, the point is moot because Apple has to allow other browser engines now. If you think it through, this will simply allow Chrome to completely dominate the Web and take us backward to the bad old days of "this site works best on..."