No it wasn’t, and we have seen it come up time and again internally and externally, and all over the codebase.
Haven’t gotten to categories yet, nothing has changed here.
People were overwhelmingly using TL0 to mean “all logged in users” because we had no better way of representing this. The logged_in_users group at least is totally clear in what it entails, and there is absolutely nothing stopping you from still using TL0/TL1 etc. The only group being removed is everyone.
Yes sure I am doing all this just for “change sake” 
Please consider for a moment your wording, we aren’t in the habit of doing totally unnecessary things for no reason here. This work has been ongoing for months now and it’s not changing direction.