Earlier quoted context omitted.
I wonder if you bothered to check who wrote that article, before you started speculating about things you could have found out with a few google searches ? You seem to assume that cathedrals are "slow-moving, centralized, big up-front" designs, where did you get that idea ? Ever looked into how USA put a man on the moon ? Maybe you should. Also: Read Brooks book, if you can.
Why does it matter who you are? I've tried to respond to what you wrote. Why do you think most of the software we build now is like putting a man on the moon? I think it's nothing like that. Maybe I should read Brook's book (I've enjoyed MMM), but your article doesn't make a strong case for it.
Because you claim he's attacking open source software, and you said that maybe he thinks MS is the standard bearer of his cause.
The (easy to find) facts are that he has committed a lot of code to open source and has been involved in freeBSD for many years. These are not small trivial bits of code used by a few people or for insignificant reasons. Crypt and varnish are bits of code getting billions of uses.