The difference is between strategy and tactics. If your strategy is to ignore one aspect in order to speed achievement of the objective then the obvious tactic is obviated - at some risk.
But to Lott/Levitt's points; "Forewarned is fore-armed." If we honestly evaluate the threat universe then we may find a 'universal' defense. That honesty has been abandoned infavor of more elite government agents sucking at the tax-teat.
Either we are equal or we are not. Good people ought to be armed where they will, with wits and guns and the truth. NRA ******* 229 times