Fortunately not many people seem to feel this way, maybe because revenge doesn't work as a criminal defense.
People who have been wronged are usually highly emotional and it's hard for them to put themselves outside of their circumstances and view the incident objectively.
Justice is supposed to be blind for good reason. If we all carried out our own version of justice, I'm sure you'd eventually run into someone who thought being too loud at night should be punishable by death.
There are many instances where victims of bullying feel they have no recourse other than revenge. I don't know the answer for how to make that situation better, but I know it's not murder.