As was pointed out in the article a late async review can ensure that somebody else understands what happens in the code. In a few cases this alone justifies su

As was pointed out in the article a late async review can ensure that somebody else understands what happens in the code. In a few cases this alone justifies such review even if it is too late to change the architecture. Plus besides problematic architecture there are a lot of bugs that are easy to fix but that that one does not when developing the code. It is much easier to discover those in polished code than in the first working prototype.