Certainly, pronation represents a natural healthy and beneficial movement.
indeed, there is no consensus and understanding as to what defines normality versus what constitutes overpronation.
certainly, plenty of people overpronate and get no problems.
yes, some overpronate a minor amount and experience lots of problems.
indeed, various factors of overpronation. https://podiatry-portal.com/is-overpronation-a-problem-or-not/