It's an important point, but it can also be fairly well generalized to a lot of the "softer" points of program design. For instance, when to introduce an abstra

It's an important point, but it can also be fairly well generalized to a lot of the "softer" points of program design. For instance, when to introduce an abstraction layer, and where the boundaries of the abstraction are. You could find-and-replace instances of "static typing" with "abstraction layer" into the quoted paragraph and it still makes perfect sense.