Even those who didn’t have such dramatic results among the small group I spent time coaching, those who stuck with their project still ended up learning a new skill they cared about. You may not compete in world championships or completely switch careers, but as long as you stick with the process, you’re bound to learn something new.
The same could be said of a housewife who spends 10 minutes a day sketching in the school pickup queue. You dont have to apply this bullshit to improve at anything