If you dedicate all your time to the 20% you found - at one time in some context - to be fun it means you don't have any more time for experimenting. And the wo

If you dedicate all your time to the 20% you found - at one time in some context - to be fun it means you don't have any more time for experimenting. And the world changes and your data is no longer relevant. There is no escaping the trial and error loop. If you could then science for example would go uninterrupted from one success to another. Or organizations would achieve 100% efficiency after some experimenting. You can see in history people, organizations, societies, etc that have tried to stick to what they found efficient at some point. But that led to rigidity and gradual loss of touch with the evolving reality, the exact opposite of what was desired.