How is the getting stranded example different than asking on a travel forum how to get somewhere, and an active and well intentioned user that isn't familiar with your area of travel answers, gives you wrong instructions, and you get lost?
Well, now the calculator can tell you a meaning of life, but it'll get 2 + 2 wrong 10% of the time.
LLMs don't do this. they give confident language output, not correct answers.