> Yes source code is IP - but maybe an expiration system similar to pharmaceuticals should apply where, for instance, a regulator compels a companies to release the sources of their drivers & services when a product or service is no longer officially supported.

For the US, an expiration system is built into the constituion: "for a limited time"

It's just that that expiration has been stretched to absurdity where "a limited time" now means a whole second lifetime after the death of the author.