Yeah, that’s because that’s all that you’ve seen. Not because that’s all that there is. The tip of the iceberg for someone who doesn’t know what is beyond the surface.
LLM’s have everyone’s focus simply because they got so popular and are the only AI’s that regular consumers can use. There are a lot of advanced machine learning models helping out behind the scenes that all fall under the original umbrella term of AI. For example in science and in medicine (especially medical imaging).