It seems obvious that the discussion here is about college level (or late highschool level) math, not elementary school arithmetic. Your response is a little b

It seems obvious that the discussion here is about college level (or late highschool level) math, not elementary school arithmetic. Your response is a little bit like an article saying "studying literature isn't necessary to be a good software engineer" and someone replying "reading and writing names and 1-sentence comments is still reading and writing".