A common mistake I see is that people now believe that all AI is an LLM. However, there are tons of other types of AI (not an exhaustive list): search algorithms, game-playing agents, recommender systems, robotics control, computer vision, classic expert systems, optimization, etc. Many of those precede modern LLMs by 40+ years.
When people hear โAI,โ they think ChatGPT. But I had a colleague who was working on AI email spam filtering back in the 1990s. So this stuff has been around a while.