I reading the comments here it seems like a lot of people don't use a basic G+ technique: don't view All Circles at once unless you really want to spend a while (like 5 or 10 minutes) browsing everyone you follow. For example, I have circles for Java, Clojure, AI, Ruby, Semantic Web, etc., etc., and near the top of the screen I'll switch from All Circles to just AI, for example. Also: the red notification number in t…
What this really meant was that I could get an "All" view that excluded those circles holding people I'm only sporadically interested in, without having to play with the circle frequency slider thing.
This new g+ design obliterates that plugin. The inability to view sets of circles is a major failing of the UI.