The second paragraph isn't sarcastic. At least not w.r.t. to Claude Code. That bit there about North Korean hackers is mild sarcasm, but has no bearing on the remainder of the post.
I mostly posted the video because I thought it was a good demonstration of the prompts to approve/cost that the tweet was talking about.
He talks about it later of using autocomplete vs complete writing, I don't think he misunderstood the scope just talking about the difference of ways ai can be used for coding assistant.