Why doesn't ChatGPT provide personalized answers in some cases?

We are students and recently conducted a survey with participants from different backgrounds, varying levels of computer literacy, and different experiences using ChatGPT. They all asked ChatGPT the same question, “5 tips for combating phishing,” and received identical responses, even when using different languages. Why are the results the same? Doesn’t the level of ChatGPT’s training lead to personalized answers?