- Looking for suggestions for a birthday, with some constraints that make most recommendations impossible. I didn't go with anything straight from the suggestions, but I've went with a personalized variant of one of those.

- Looking for suggestions for resources and books on niche languages and read languages.

- Looking for documentation on how to do a certain thing using a certain app or framework, several times.

It seems to me that ChatGPT is no worse in its recommendations than what an expert can give you recollecting what they encountered a year+ ago (in addition to the training data cutoff) without the opportunity to double check if they remembered correctly. It's immensely useful in the same sense that the expert solves most of the discoverability, and leaves you the relatively easy task of sanity checking.

I'm not sure about Bing, but I'd expect similar or better, or eventually similar or better.