" ...thus they (comments) tend to diverge from actual implementation." In my experience comments are no more likely to diverge than tests are. With tests yo

" ...thus they (comments) tend to diverge from actual implementation." In my experience comments are no more likely to diverge than tests are. With tests you have the advantage that they must compile. With comments you have the advantage that they are inline/interspersed with your code and so get read every time the code is read. "It happens, you update/refactor code, and forget to update the comments." So then the next developer to read that part of the code notices that the comment doesn't make sense, or is not well written, and they update it. No different than if they notice poorly named/misleading functions or variable names or a dozen other code smells. No big deal and certainly not a good case for commenting less.