I think the parent commenter was just using spam as an example of an activity that uses a disproportionate amount of energy compared to it's value. The court r

I think the parent commenter was just using spam as an example of an activity that uses a disproportionate amount of energy compared to it's value. The court room climate control costs would likely be dominated by energy expended for every involved individuals' commutes, which would likely be dominated by the opportunity cost of all of those individuals doing something more productive (if you want to go that far)