He's got a habit of self aggrandizing, antagonism, and deception in an effort to promote himself and his brand, I worry that his explanations are designed to maximally benefit him, rather than to maximally explain the topic.
I agree generally but read the post and it only mentions cellular automata briefly and promotes Wolfram Alpha once. Overall it's very good at moving from Markov chains to neural nets with decent examples and graphics.
He's a brilliant man, I just don't trust him.