In a similar thread, people argued that morality is relative to the person. That if they kill, torture, etc. and feel they are doing a good thing, then it is moral.
Many violent individuals have low activity in the orbital cortex part of the brain. The orbital cortex is responsible for our inhibitions, coherent judgment and empathy. Why would someone with an unnatural lack of brain activity be considered to be an equivalent moral agent compared to someone with normal brain activity?