You haven't tried to get a feel for the nature of the group before you posted. You've started making threats about issuing rmgroup and reposting spam. Small wonder that you're annoying people. I'm sorry, but your arguments have failed to sway me to your side. Please explain the advantages of retro moderation over auto moderation.
Machines are stupid.
They apply rules brainlessly, repetitively, tirelessly. This gives them a great advantage in scut-work. In other words, the same reason that computers aren't allowed to rule the planet yet.