It takes an unreasonably large amount of effort to get them to act against even a single bot if they're not doing something that's easily detectable like hacking, and that really shouldn't be the case when their patterns of behavior are largely shared due to there only being a handful of different scripts in use.

I have never once managed to get any of the bots on my server banned despite several reports over the years, and the only time some people did actually get banned was because they were trying to cheat the DoL Restoration rankings and likely got spotted/reported by multiple people in Diadem.