He really is. I find it even more awful when you are pointing out that Claude did something wrong and it responds like that. You can even accuse it of doing something wrong, if it gave a correct answer, and it will still respond like this (not always but often). When I use claude chat on the website I always select the "concise" style, which works quite nice though. I like it

Related: I recently learned that you can set model verbosity in OpenAI API.