The reality is its 4p to produce a blue ray disc. A blue ray can hold 100gb of data. We're letting them do it to us by buying the game. If we pay, we tell them we support what they're doing. If no-one purchased the game, they'd change their practises i guarantee you that.
Hang on, before we worry about that question, wasn't matey boy from id software giving it the big "the dark ages is twice as big as any doom game we've made before" in multiple videos? Considering you're saying it's the same length as the previous two, seems a little misleading?
