I use it a fairly amount and it does indeed hallucinate things here and there. I know not to take things at face value.

But whenever I have to deal with a complex question such as taxes, I often find it very useful to break down a problem, rephrase and provide context around my question and offer different leads to follow or cross reference.

I see it as GPT spiting out a skeleton of an answer onto which I can attach some meat. It is very useful when I don't really know the domain and therefore how to attack a problem.