I think that was always implicit and intentional. There really is a tension here. Artful programming rides that tension and understands when (1) is worse than (

I think that was always implicit and intentional. There really is a tension here. Artful programming rides that tension and understands when (1) is worse than (2) or visa versa. A standard rule of thumb for this tension is the old "rule of three" but it's just a rule of thumb.