I feel like if a product is abandoned it should become freeware for all to use so the electronic devices involved have a less of a chance to become ewaste.
Kind of how copyright (was supposed to) work, giving access to the public eventually.
Unfortunately it's often not entirely up to the company to decide. They likely use components and software written by various other companies which require strict controls over who may have access to it. The nature of those contracts would have to change first.
Kind of how copyright (was supposed to) work, giving access to the public eventually.