Nothing on the Stack Overflow page I came to from Google says anything about those cultural norms. This is what it says instead: "Stack Overflow is a community

Nothing on the Stack Overflow page I came to from Google says anything about those cultural norms. This is what it says instead: "Stack Overflow is a community of 4.7 million programmers, just like you, helping each other." And then the actual answers are snotty people shooting down a newbie. Forgive me for not getting a great impression.