Yes I did. I’ve also tested ChatGPT in my own area of expertise. It never just says, “I don’t know about what you are asking for.” It just confidently makes up something and gives no hint that it purely imaginary.Did you see Eclectic Light test of ChatGPT.
IMO 99% of people would take that to be a correct and authoritative answer.
That said, I have found it to give very useful and relevant answers to some programming questions that I could have searched myself on stackoverflow. The answers were approximately correct just like stackoverflow.