But you also argued that things like canary servers are overkill for a startup - just get the thing built and worry about it later. Well, why not just build it in Python if that gets it built, and worry about it later?
Dropbox started in python (and is still using it a lot)
...and we all know how horribly they failed.
Whether a startup will succeed has nothing to do with the language used. Google started with Python and TikTok with PHP (wtf). However when you start, go with the better choice since every line of code becomes a liability later.
Well this makes me feel good, because I apparently write better Python than the average Googler, since my Python is entirely maintainable.
Agree about the monorepo thing though, it just seems like people are optimizing for the wrong things with monorepos.