I have lots of fun talking to ChatGPT at length about a variety of subjects, but I'm never under the illusion that it's a girl or a friend. What's the point of

I have lots of fun talking to ChatGPT at length about a variety of subjects, but I'm never under the illusion that it's a girl or a friend. What's the point of pretending that, if you know it's not true, or do you?