But on that note I find it interesting that perhaps the greatest mass extinction of mega-fauna to accompany human habitation was in North America, where the indigenous inhabitants are usually credited with being ‘at one with nature’, and other such happy horse sh*t.
They were excellent executive time managers, too. They somehow managed to fit in this idyllic outlook with a busy schedule of bashing each other's brains, kidnapping, massacres, and other quaint and colorful war rituals.
South of the now non-existent border, other Native Americans were working on advanced open heart surgical techniques, which they doubtless would have mastered had their research not been stopped by the arrival of gold-crazy Spaniards and evil Christian Missionaries.