My theory is that someone left a DEBUG=1 flag somewhere in the code and that the debug.log is filling up to 4 GB. I'm only joking a bit, I've been bitten enough times by these type of issues to know that they must happen all over the place.
Can you explain your thinking behind this?
Several people have commented that ChatGPT does know the current time and date, so maybe there is indeed some truth in the linked article. But it does show how inconsistent ChatGPT can be: in any interaction I had with it I could not get CHatGPT to admit that it knew the current time, date, or season.