Thanks Nelda for the reminder. One year is indeed time to look at the effects of this CC7 affair. For the record, let me recall two things.
Introduction of the "circles" concept is almost three years old now, the 100 Circles page was created in November 2020.
As a "founding father" (with a handful of friends including Eva) of this project, I've expressed concerns to the way the concept was (ab)used by its reduction, sort of, to this single CC7 indicator.
After this disclaimer, what lessons can we bring home from this first year of CC7 frenzy?
CC7 has been way more popular than the original, maybe too abstract idea, of "expanding circles". Somehow it made the idea of circles more widely understood, and pushed people to explore new directions of connection, they were previously ignoring. That's a good point.
However, the (quite arbitrary but result of a reasonable consensus) limit of 7 circles has certainly the counter-productive effect to have many people stop searching beyond the 7th circle.
As the examples given in the "Beyond CC7" page show, very different global connection structures can happen for profiles with similar CC7 figures. The Connections Count help page more or less explicitly indicates that growing locally your CC7 is making the tree globally better connected. This is not exactly true, in particular if you work (as I do) on branches a bit far-off the American WikiTree bulk. If my branches are not too badly connected to the bulk, it's mostly through critical paths typically around my 10th circle. If I had, since I joined WikiTree, focused only on my CC7, maybe I would not be connected at all today, or barely.
Last but not least, the CC7 of any active (hence living) WikiTreer does not extend in the past more than about 250 years. For the typical boomer, that means CC7 does not extend much before 1700. For the youngest of WikiTreers, it's more like not before 1750. So, focusing on CC7 makes you forget about pre-1700 ancestors. This can be seen as bad news by "deep ancestors maniacs". I take it as good news, for various reasons on which I won't elaborate here (I've been too long already).