We've yet to see any mobile device where running another OS than the bundled one have been anything but a nightmare. This is done everywhere, android manufacturers constantly try to lock users in their own android shell, not to mention apple.
These devices are not multipurpose devices, they are built for a specific purpose and tailormade for that and nothing else. It is not in any sense equivalent to desktop/laptop-computers. Which is kind of apparent considering the limitations that Windows Phone, Android and iOS amount to.
Since Microsoft have expressed that secure boot must be optional on x86 it is quite easy to justify this rationally without resorting to the popular "typical evil Microsoft tactics" argument.
These devices are not multipurpose devices, they are built for a specific purpose and tailormade for that and nothing else. It is not in any sense equivalent to desktop/laptop-computers. Which is kind of apparent considering the limitations that Windows Phone, Android and iOS amount to.
Since Microsoft have expressed that secure boot must be optional on x86 it is quite easy to justify this rationally without resorting to the popular "typical evil Microsoft tactics" argument.