Critiques of PVA Ask the Wrong Questions: Throwing the Heuristic Baby Out with the Numerical Bath Water

*Key Centre for Tropical Wildlife Management, Northern Territory University, Darwin, Northern Territory 0909, Australia†School of Botany, University of Melbourne, Parkville, Victoria 3052, Australia‡Applied Biomathematics, 100 North Country Road, Setauket, NY 11733, U.S.A.§Key Centre for Biodiversity and Bioresources, Macquarie University, New South Wales 2109, Australia