> So with infinite resources it would be best to write everything from scratch?
Re-read the parent and the other replies: A critical point you are missing is your interlocutor's practical mindset in contrast to your idealistic one. This is about making engineering-mindset tradeoffs; they vary depending on the specific scenario. The answer to your Reductio ad absurdum is yes, but I believe that side tracks rather than elucidates.
> So with infinite resources it would be best to write everything from scratch?
Re-read the parent and the other replies: A critical point you are missing is your interlocutor's practical mindset in contrast to your idealistic one. This is about making engineering-mindset tradeoffs; they vary depending on the specific scenario. The answer to your Reductio ad absurdum is yes, but I believe that side tracks rather than elucidates.