Collective punishment is a punishment or sanction imposed on a group for acts allegedly perpetrated by a member of that group. Because individuals who are not responsible for the wrong acts are targeted, collective punishment is not compatible with the basic principle of individual responsibility. The punished group may often have no direct association with the perpetrator other than living in the same area (or for our purposes, living in the same digital town or alliance) and can not be assumed to exercise control over the perpetrator's actions.
I've always thought the collective punishments were wrong and we needed systems to actually track town/alliance/fort profile changes. Perhaps no guidelines can be published on collective punishment because it is unjustifiable for this company to do so.
It's positive for the communities that we can now report inappropriate text in all of the places that can have inappropriate text, but rather than changing how players are punished, which I don't understand how it was a necessary change to make, you should make efforts to ensure that only the correct people are punished.