Usually you need hot pan as the water will vaporise and make a vapor layer that prevent sticking

For inox pan, it also avoid that the micro cracks in the metal move and expand during the cooking which tend to trap the food and make it stick a lot

But you should avoid to heat a non-stick pan without food as it can emit toxic fume if it reach a critical temperature

This is a domain research domain that contain statistic methods and knowledge modeling among other. That’s not new, but the fact that this is marketed like that everywhere is new

AI is really not a specific term. You may refer as global AI, and I suspect that’s what you refer to when you say AI?

LLMs are part of AI, which is a fairly large research domain of math/info, including machine learning among other. God, even linear regression can be classified as AI : that term is reeeally large