It's like with iPhones. There was someone who run Linux with a framebuffer on iPhone 3GS. It worked but was useless. Additional security added in newer iPhones

It's like with iPhones. There was someone who run Linux with a framebuffer on iPhone 3GS. It worked but was useless. Additional security added in newer iPhones made it impossible to do again. And users are happy, saying that their locked out iPhone is secure and they want only apple-approved software to run on their devices...