Good idea: People should be free to exercise discretion.
@Alk: use your imagination. Yes, even for that.
Leaving a little "thank you" present on some schmuck's front doorstep suitably matching the disfavor they have done for you.
Love me, I win.
Hate me, I win.
Ignore me, I've got exactly what I wanted.
Love me or hate me, you're still thinking of me either way.