The purpose of a system is, absolutely, what it does. It doesn’t matter how well intentioned your design and ethics were, once the system is doing things, those things are its purpose. Your waste heat example, yes, it was the design intent to eliminate that, but now that’s what it does, and the engineers damn well understand that its purpose is to generate waste heat in order to do whatever work it’s doing.

Huh? Then why is so much money spent on computers to minimize energy usage and heat production? This is perhaps the biggest load of bullshit I think I have heard in a long time. Maybe there is some concept similar to this, but if so you clearly haven't articulated it well.

Anyway I think I am done talking about this with you. You are here to fear-monger over technology you probably don't even use or understand, and I am sick of lemmings doing it.