"So let justice be done. But let's not overlook the stupendous hypocrisy whereby America imposes justice on everyone else while itself refusing to accept the authority of the very international courts that apply that justice. Let us not forget Thatcher's decision to bomb the Belgrano, with the loss of nearly 200 young Argentinians, as it headed away from the battlefield. Let us not forget countless other criminal decisions by leaders of the western democracies."
Which is probably closer to the real reason why the death penalty for war crimes is so vigorously opposed in the West.