The fact that big bore revolver cartridges with a good SWC or LBT work so well, yet produce so little kinetic energy should make folks question the validity of KE as a gauge of a cartridge's effectiveness. I guess too many believe the old horse hockey about energy and 'need' a simple answer to a very complex question.
Thank you. Well said. Folks should hunt big game with a handgun prior to making sweeping and general statements about their terminal effectiveness.