Problems with Motul RBF600 and 550 clutch control pumps?

Hello all,
I recently replaced my clutch control pump (a year and about 800 miles ago) because of a loss of clutch pedal action that could not be attributed to air in the line (bell housing was boroscoped also and all pressure plate fingers were intact and no leaks evident from thrust bearing). The clutch performed magnificently since then, but recently has developed the same problem. Again, flushing and boroscoping reveals no issues.
I am entertaining the possibility that the new OEM clutch control pump has failed, which isn't hard for me to believe knowing the quality of some OEM replacement parts. However, I want to inquire about whether anyone has experienced brake/clutch system problems with the use of Motul RBF600 fluid, such as early degradation of seals/pistons, etc?

Thanks,
Pete