Sometimes, Faultline puts its foot in a rabbit hole, and falls a lot further into an innocuous question than we thought was possible. This week, the matter was how much idling processing power is out there in the operator set top installed base? A company’s environmental credentials are becoming increasingly important, and so we sought to gauge just how much processing power is out there. As set tops spend so much of their lives idling, there are some pretty strong parallels to be made with self-driving cars – whereby owning a car that spends 95% of its life parked and not driving is an incredibly inefficient use of resources. To cut a long story short, there is something like $8.8…