Why is parenting a special skill that isn't coachable? Or do you similarly believe a: CEO coach, marriage counselor, financial advisor, high-school guidance cou

Why is parenting a special skill that isn't coachable? Or do you similarly believe a: CEO coach, marriage counselor, financial advisor, high-school guidance counselor, and dog trainer are a waste of time and people availing themselves of those professionals should just ask their parents advice instead?