Simpler and faster Category Settings page

The same way that TL2 includes TL1 and TL0
Or TL3 includes TL 2, TL1, and TL0
Or TL4 includes TL3, TL2, TL1, and TL0
Or any of the other groups Admin, Moderator, Staff include TL4, TL3, TL2, TL1, and TL0

Correct?
So technically, when you are logged in, having everyone or TL0 will have the same effect, because all members are part of everyone and TL0, even custom groups, right?

If that’s the case, then the only unique feature of everyone is that it allows logged out users to either See or not, because no one can Reply or Create logged out. In that case, then everyone could even be renamed logged out and the only option to tick or untick would be See, like this: