I completely agree with banning ChatCGTChatGPT as a source for answers. Far too often, it's answers are flat-out wrong. However, because ChatCGT'sChatGPT's answers oftentimes are garbage / confusing, this makes people who are using it to re-ask their question on the SE network. I don't particularly see a case for banning ChatCGTChatGPT convos in questions. One of our main tasks on the SE network is to clear up confusion. Besides, the issue will soon become moot once ChatCGTChatGPT starts charging for its nonsense answers.
I hope this helps!