I think there is a conflation of malicious and ruthlessness in this thread, showing no pity or compassion (def of ruthless) does apply to a computer because the

I think there is a conflation of malicious and ruthlessness in this thread, showing no pity or compassion (def of ruthless) does apply to a computer because they can do neither. However, being actively malicious and disregarding consequences probably only applies to humans controlling them because the computer is ignorant of those consequences as you say.