Well, the data it was trained on had a cutoff point in 2021 which would explain that.
I've used it (GPT 3) a fair amount for Unity, and I'm fairly pleased with the results, it's saved me a fair amount of time. Implementing object pooling and editor window dialogues for scene translation management for example.
Of course, programming knowledge is required for it to be of consistent use, which, on second thought, may not be at all obvious.