That’s nearly the exact opposite of welcoming newbies.
To be perfectly honest, that’s fine: OpenBSD demands a steep learning curve and that you know what you’re doing.
Not sure if you want to count it as a "code of conduct", but it certainly defines rules on how to communicate and contribute to the project.
> ... fine without a code of conduct — in the sense bakugo employed "code of conduct," not in the generalized sense ...