It actively goes against their profit interests. If they deprecate the older devices and leave them as black boxes, that's another way to push consumers to buying the new stuff.
Something like this would have to be done with regulation.
Shares some similarities with the gradual corruption of copyright over the years, extending it out into infinity (thanks Disney!), companies would rather hold close the things they refuse to use than give them to the people once they have no more profit to be made off of them.
If only they would frame it as an environmental concern/issue as well, eg: properly dealing with e-waste. Why purchase a device that can be systematically deprecated within a short life cycle when such things can be repaired and/or otherwise be repurposed?
Something like this would have to be done with regulation.
Shares some similarities with the gradual corruption of copyright over the years, extending it out into infinity (thanks Disney!), companies would rather hold close the things they refuse to use than give them to the people once they have no more profit to be made off of them.