.. okay, fine: then you go and see how we've managed our resources in .. oh, lets just take - The Whole of Europe - and compare.
Just because some humans 'are stupid' doesn't mean all humans are. There is a lot of evidence that we, who choose to manage, will outlive those who choose to be stupid. 200,000 years of it, in fact.
(Stupidity might be contagious; the point is though: so is intelligence.)
