Check out the Worldwide Church of God...
That is an unusual case. Their reformation came about when Armstrong's prophecies did not come to pass, and his successors did considerable soul-searching (if you will pardon the pun) and re-assessed their doctrine. They are now a more typical evangelical sect. If they can do it, there may be a glimmer of hope that even the WTBTS could reform itself. Long odds, but it could happen.
Your four-quadrant graph left out the Orthodox churches, who would be far in the upper right corner--more Catholic than the Catholics, so to speak.