ChatGPT does make factual errors and when people do correct them with true information (unlike you did the opposite way), the training regime does force it to l

ChatGPT does make factual errors and when people do correct them with true information (unlike you did the opposite way), the training regime does force it to learn to adjust its knowledge to adapt to what the human asserts, especially because presumably during its training most of these corrections were "beneficial", done by non-antagonistic people employed by OpenAi, so it (falsely) assumes that you are like them.