Earlier quoted context omitted.
> Except with a manual, you're reducing the lifetime of your clutch Huh? How is engine braking (or, for that matter anything ) on a fully-engaged dry clutch going to reduce its lifetime?
It won't. Unless the clutch is damaged and slipping, or slipping because your foot is resting on the pedal, it's all locked together and it's not going to wear. You will always cause a bit of wear to the clutch while shifting, but that's a different conversation. (with all the rev matching that the newest manual transmissions will do for you, I wonder if replacing clutches during the normal lifetime of a passenger ca…
> I wonder if replacing clutches during the normal lifetime of a passenger car will become a thing of the past
My gut says that clutches wear far more from starting at a dead stop than from any gear changes in motion, so taking rev-matching out of the hands (foot) of the human won't make enough of a difference.