"Apparently the average person is way less grumpy than I am about things like right to repair or planned obsolescence."

That is obvious. Otherwise we would not have glued in batteries, spyware everywhere as part of mainstream OS and ads in the start menue.

But to me a e-book reader is also just an appliance, that should perform one specific function. Displaying books. But I simply happen to know what a file format is, so I know that there is no reason to limit that, so they can try to lock me in to their store.