Well, I think one of the best points the article made was essentially: A company will continue hiring more people as long as the extra profit from an engineer o

Well, I think one of the best points the article made was essentially: A company will continue hiring more people as long as the extra profit from an engineer outweighs the cost. This isn't literally true in all cases, but it points out that the business decision of how large to grow is based more on that sort of reasoning than "what's the minimum team that can get X done", and maybe a bit different than the analysis you propose.