Wow, TIL. Also a very nice display of Cunningham's law: "the best way to get the right answer on the internet is not to ask a question; it's to post the wrong answer."
I'm going to post the same answer I gave in another thread on the initial post:
As said elsewhere, I mostly act as a curator of a very large effort of hundreds of individuals. The project was actually co-created by several other people who work on infrastructure at ZEIT (e.g..: Naoyuki Kanezawa led all the initial releases, designed important parts of the framework, Arunoda Susiripala contributed the test harness and key build pipeline infrastructure, and so on).