I'm sorry I wasn't clear: I re-read my comment and couldn't think of a decent edit. It was the author whom I was quoting as saying "why would someone have old

I'm sorry I wasn't clear: I re-read my comment and couldn't think of a decent edit. It was the author whom I was quoting as saying "why would someone have old code lying around." It seems obvious why that's a good idea and it seems commenters in this thread (including you) agree with me and not the author. Sorry again if I was unclear.