I'm wondering what the point of banning an account is, crumbs is currently using like a dozen of them, and it's not like accounts are hard to make. Why not just sit a bot on your thread and delete posts from known bad usernames?
Over 40 Spam posts deleted just today.
What is going on? Why are these users not banned?
Probably because they can make new accounts as fast as you can ban them.
Or, how about this brilliant idea:
1. IP ban