Did her wife got the correct ventilation or did GPT gave her the wrong recommendation with total confidence? Or was it recommended because someone paid OpenAI f

Did her wife got the correct ventilation or did GPT gave her the wrong recommendation with total confidence? Or was it recommended because someone paid OpenAI for product placement? Did Matt Yglesias check every story written by his AI to check if it hallucinated data and analysed it right? Humans routinely fail at statistical analysis. Why would a model trained on a corpus of significantly wrong material get it right?