If by guilt you mean discovery of an ethical conscience, then it would actually be about 95%.
And @EinSaylors, yes, better to reduce cows to a nature-workable number than raise millions to live in cramped quarters and terror, because it is in fact literally environmentally unsustainable, even the grossly agro-welfare-subsidied beef industry knows this, but their plan is still to...ummm...milk it for all they can.