Life is not nearly so precious as our liberal, pathologically empathetic society would have you believe.
Capital punishment is a deterrent to the population with high enough IQ to learn from others' mistakes. It may not be a deterrent to the low IQ population (even this, I question. Regular public hangings have to penetrate pretty far down the bell curve.), but literally nothing will deter some of them, and those are the ones we're better off without anyway.
Life is not nearly so precious as our liberal, pathologically empathetic society would have you believe.
Capital punishment is a deterrent to the population with high enough IQ to learn from others' mistakes. It may not be a deterrent to the low IQ population (even this, I question. Regular public hangings have to penetrate pretty far down the bell curve.), but literally nothing will deter some of them, and those are the ones we're better off without anyway.