IMO health industry manufacturing trendy shifts from weak exercise science is large source of misunderstanding. Particularly when optimizations are exercises in minutiae. Fundamentally exercise + diet is simple but not easy.
Not easy generally attributed to adherence and effort, but not easy also because individual response curves and almost every intervention works for some cohort while not others as you highlighted.
What's really missing are better structured exercise plans that guides individual experimentation via roadmap from most effective -> least affective. Not major in minors, while constantly changing minors. Currently most people just bounce haphazardly from one fad to another, frequently mid-fad while biological processes from one response cause conflations.
Not easy generally attributed to adherence and effort, but not easy also because individual response curves and almost every intervention works for some cohort while not others as you highlighted.
What's really missing are better structured exercise plans that guides individual experimentation via roadmap from most effective -> least affective. Not major in minors, while constantly changing minors. Currently most people just bounce haphazardly from one fad to another, frequently mid-fad while biological processes from one response cause conflations.