Originally Posted by Excargodog

I think you chose a poor example to make your point. Chasing parallax error or Brownian motion does not make you more precise or motivated, it just increases your task loading without benefit, which won’t hurt you usually if everything else is going OK.

Acquiring the skill and knowledge of how to most safely and efficiently manage an aircraft is indeed a laudable goal, but instantly correcting every one degree deviation does not contribute to that - not outside the FAF anyway. There are other places the mental effort to accomplish that degree of attention could and should be better spent.