Many of us have been aware that the rubber part of the torque reaction rod can deteriorate or tear and become loose. It has always mystified me that the bushing appears captured by the "pivot" bolt creating (what has seemed to me) something like a "torsion rod" that would interfere, even limit, suspension movement. Seems to me it would be better for the spring and damping to work without that interference.
With the reardrive off and swingarm out, my torque rod has always just stuck straight