Right. I actually do understand and accept the security argument for the locked-down nature of iOS. But with iSH already approved by Apple, WebAssembly already

Right. I actually do understand and accept the security argument for the locked-down nature of iOS. But with iSH already approved by Apple, WebAssembly already providing a sandboxed VM for untrusted native code, and Google offering VMs on their phones today, full support for untrusted VMs seems like a very reasonable request. If those VMs had graphics support, that might well make the difference between me purchasing an iPad Pro and not—for example, WSL2 is the reason why I've been on Windows lately. I would guess that Apple fears that Epic will start using untrusted VMs to distribute Fortnite outside the App Store. Though, honestly, they're not far from being able to do that with a hypothetical WebAssembly/WebGL version already.