It's the difference between wanting an easy answer to a question and wanting information to process on your own. You would have to apply critical thinking when reading Postman's texts to know what he might think about GPT-4 because he never actually wrote about it directly.

The prompt here wasn't something like "give me summaries of Postman's writings so that I can draw my own conclusions about what he would think," it was "tell me what to believe." It's the action and approach that matters.