John G. says: December 6, 2013 at 2:53 pm I???ve been trying to figure out why we want to stop all man caused extinctions (other than it???s a feel good, moral, ethical sort of thing) and came up with these reasons (and rebuttals): 1) those extinctions might somehow harm man (though that hasn???t happened despite supposedly runaway man made extinctions) 2) species we really like and need could go