Comment Re:in other words... (Score 1) 211
There is a better write up of this theory at: http://www.technologyreview.co...
I also think this ignores the possibility that civilizations do not continue to grow by leaps and bounds but at some point plateau in terms of their growth / energy & resource consumption, planetary departure. I.e. the jump to a Type II civilization (from linked article) does not necessarily preclude a Type I from surviving at that level until the sun it orbits dies.