The author and a number of commentors seem to be saying that incremental changes eventually lead to tangled and unmaintainable code. My litmus test for the qua

The author and a number of commentors seem to be saying that incremental changes eventually lead to tangled and unmaintainable code. My litmus test for the quality of a code change is the amount of code it allows me to remove. If a change results in many other parts of the code collapsing or getting simpler then I know I've made a good decision.