"After nearly a year of using HN every day for several hours a day.." What would that time be worth if spent building a product or service? Either for yourself

"After nearly a year of using HN every day for several hours a day.." What would that time be worth if spent building a product or service? Either for yourself or someone else that paid you for that time? I'd wager you'd learn more focusing on more productive efforts than you could from reading anything here. (and I'm a fan of HN)