That's a very big if. "If responsibly disposed of" has an approximately zero percent chance of occurring. And even then, some things will get accidentally dropp

That's a very big if. "If responsibly disposed of" has an approximately zero percent chance of occurring. And even then, some things will get accidentally dropped or discarded. It's just not a realistic starting point to build an argument around. You have to assume people will improperly dispose of it as an axiom.