The computer can help you destroy enemies. No, I am not encouraging you to banish an enemy in the head with your laptop. Put down the CPU and stop eyeing the monitor that way! The ideal way to do them in is via print, regular or electronic.
“When someone is mean to me, I just make them a victim in my next book.” Mary Higgins Clark
The next time you’re cut off in traffic, have to interact with the king or queen of rude, or someone takes great joy in ruining your day, man your keyboard. Perhaps the person meets a comical end in your story or a tragic one. Why not let go of the crappy feeling they provoke and exercise creativity at the same time?