... or bad) is good Just as it is "better" to keep existing (good or bad) and not to die Just as it is "better" to preserve merely the biological function of life (with indifferent content) whilever there is a beleive it could contain life/has the potential to contain life (good or bad) - the machine is only switched off when the possibily of containing (good or bad) life (as you know it)...