Note to those reading the article: it does not state that you shouldn't focus on "high-value, low-effort" levers where minimum force gets you maximum results -

Note to those reading the article: it does not state that you shouldn't focus on "high-value, low-effort" levers where minimum force gets you maximum results - it does state that using the Pareto Principle as an excuse for not applying force to high-value areas that are not in the top 20% is a bad idea.