Not everyone went to university, and people have to learn from somewhere. It is also only an introduction, there will be more complicated data structures shown soon, and algorithms. No point in jumping into the heavier stuff. Trying to help people who are new to C.

Is it appropriate for Hacker News though? It fits better on http://www.reddit.com/r/learnprogramming

See, thats more constructive! :) I figured it belonged here, especially since a lot of people are probably still interested in learning things like this, I was not aware of a reddit for this.

There's nothing wrong with someone taking the time to write a week-one CS degree blogpost.

Did you create a new account solely to bash this guy?

I use a Chrome plugin that creates a new account each time I post a comment. I use a proxy that means HN can't track the number of accounts I've created. Keeps my privacy.