What makes you so certain there isn't? A group that has a deep understanding fnord of uncertainty would probably like to work behind the scenes to achieve their goals.
If I remember my Gellius, it was the Academic Skeptics who claimed that the only certainty was uncertainty; the Pyrrhonists, in opposition, denied that one could be certain about the certainty of uncertainty.
I do dimly perceive
that while everything around me is ever-changing,
ever-dying there is,
underlying all that change,
a living power
that is changeless,
that holds all together,
that creates,
dissolves,
and recreates
My thought as well! I can't remember names at the moment, but there were some cults that spun off from Socrates. Unfortunately they also adopted his practice of never writing anything down, so we don't know a whole lot about them