[CamperBob2]

You don't get that message from Apple, but the people who would otherwise offer you a meaningful choice of browsers do. They can only do what Apple permits them to do, which isn't much.

[dotcoma]

They need to get their browsers listed on AppStore, sure.

[cyberax]

Apple prohibits JITs outside the EU, and this makes a modern browser a non-starter.

[card_zero]

Or to put it another way, they can only do what Apple permits them to do.