Why can't I edit the moderator group settings like any other new group?

AI-generated summary

Users are discussing why moderator and admin groups can’t be edited like regular groups—such as adding images or descriptions. Stephen explains that these are built-in staff statuses, not standard groups. awesomerobot notes that custom descriptions for automatic groups (like moderator/admin) are coming soon with a redesigned groups directory. They also explain that while flair for these groups is technically possible, complications arise because flair currently indicates a user’s primary group, and automatic groups can’t be set as primary. Workarounds include creating a custom group for moderators, assigning flair, and setting it as their primary group—while hiding the default moderator group from regular users if desired. Related discussions can be found here and here.

for example, why can’t I add a picture of a group, make a description of it, etc.?

Because it’s not a group in the same sense, and can’t be treated as such.

Moderator and admin are built in statuses for staff.

Custom descriptions for automatic groups (admin/moderator/trust levels) will be available soon along with a new groups directory design.

I don’t think there’s a reason to not have flair for those groups, there’s just a bit of a complication where flair is currently used to show a user’s primary group, and automatic groups can’t be set as primary groups… so it’s a little more complicated than it seems on the surface.

There’s some related discussion about this here: Avatar Flair Image for automatic groups Staff, Moderators, Admin and here https://meta.discourse.org/t/proposal-flair-on-avatar-for-trust-level/81250/6

One way to get around it is to create a new group and add your moderators to that, add the flair, and make it their primary group (you can set the default moderator group’s visibility so normal users don’t see the group, if you want to avoid that redundancy). That’s what we’ve done here on Meta with our Team group.