Don't say "yes sir".
just say "if you would like me to pick up the descent rate, I would be happy to, Captain" and try to keep the sarcasm from dripping off your words.
I have had check airmen and regular captains micro manage saying a bunch of their own technique as actual procedure or what "a real pilot" does. I do have to say most was just utter carp, but I did learn one or two things, including how to focus so much on all these details that you still make bad decisions in applying them.