Which community can you walk into telling everyone that everything they care about is shit and they are shit and will never make it, and they will take it productively?

I Certainly admit that some Linux users are heavily in denial about linux's flaws, and don't take criticisms healthily, but this is a trait in humanity, not just in Linux users.

If your version of diplomacy is starting off a meeting with urinating on their flag, don't say diplomacy never works because no other countries can take criticism.