I agree, it's also (ironically) sometimes hard to disambiguate the differences between Next.js/Vercel/modern versions of React. I like the latter two! The former has just given me some whiplash.
I find the ending particularly funny, we have a small team where we're often building things in-house that we should probably just buy, or rely on manual processes for.
The fumbling with "oops, there's some test data in here" and the issues with the service worker hit a little close to home from some of our demos I've been a part of.
I've had good and bad managers, and the best ones were always ones that were good at doing something. Even if it was something less related to what I did on the day to day it's nicest when someone levels me up vs mostly being the communication glue between me and the rest of the company.