Sometimes, one of those decisions was right in the past, but is wrong in the current context (eg. the company is now trying to get governments contracts). Chang

Sometimes, one of those decisions was right in the past, but is wrong in the current context (eg. the company is now trying to get governments contracts). Changing one of these have rippling effects on all the decisions, so you're trying to reconcile the two sets in a way that minimizes the need to rewrite code. It's more like a research lab than a factory assembly line.