Were you using any ND filters by any chance? I purchased a Mavic 3 Pro from B&H and it came with some 3rd party ND filters (not DJI or Freewell) and images and video were not sharp. I was getting ready to send it back, but tried a flight with...
This slow to immediate gimbal re-recentering would explain why we see and hear that gimbal twitching. Do I, as a consumer, like it? Not so sure about it. Thanks for sharing though! At least we have an official explanation