I admit, my approach was rather nuclear but it worked at the time. I think an evolution would be to use some sort of exponential backoff, e.g. first time offen

I admit, my approach was rather nuclear but it worked at the time. I think an evolution would be to use some sort of exponential backoff, e.g. first time offenders get banned for an hour, second time is 4 hours, third time and you're sent into the abyss! Still crude but fun to play about with.