You could have just said this (maybe you did when linking the code of conduct) instead of writing a paragraph of confrontational arguments and it would have looked way better imho.
> You may think it hyperbolic but drive-by negativity by non-code-contributor users is the biggest existential risk to projects like Homebrew.
If this was true every oss project would either be dead or be entirely comprised of dicks, neither of which are the case.