FWIW this is how it works on ChromeOS today. From the Linux terminal app (crostini lxc container) qemu launches macOS, Windows and Linux vms. They even support

FWIW this is how it works on ChromeOS today. From the Linux terminal app (crostini lxc container) qemu launches macOS, Windows and Linux vms. They even support nested virtualization on my Framework Chromebook - so vms can run inside those vms. I agree if Apple implemented virtualization on iPad/iPhone this same way it would be a huge for unlocking their full usefulness and capabilities while still maintaining host isolation/sandbox.