The key missing step is where the traveler exercises critical thinking and checks the advice they get. Some people seem to turn that off for LLMs.

It's because we spent that last 50 years training people that computers are algorithmic, cold, and don't make human mistakes. Your calculator can't tell you the meaning of life, but it will never get 2 + 2 wrong.

Well, now the calculator can tell you a meaning of life, but it'll get 2 + 2 wrong 10% of the time.