Yes
I estimate without this answer from chatgpt we would have wasted at least a day of our own or other people's time in investigation, but it was solved in minutes
broast on Hacker News
at least a day
In the thread “There is a new version of GPT-4 Turbo now live in ChatGPT”, replying to this comment
Helped: Provided a correct theory for a unique, unreproducible microservice issue.
… ChatGPT gave us a theory which happened to be correct, which was that the outage needed to be long enough for the kerberos ticket needed to expire. I estimate without this answer from chatgpt we would have wasted at least a day of our own or other people's time in investigation, but it was solved in minutes.