Good news, because part of the original post was that engineers should soon be able to handle a million lines of code a month. So 60 engineers to birth an OS in a month.

  … Our strategy is to combine AI *and* Algorithms to rewrite Microsoft’s largest codebases. Our North Star is “1 engineer, 1 month, 1 million lines of code,” Galen Hunt, who is a top-level Distinguished Engineer at Microsoft, wrote in a now-edited LinkedIn post.…

Maybe he did not say Windows, but it is not a leap to imagine it falls under the umbrella of “largest codebases”