Well, it’s not a surprise that the definition of “AI” is not based on how it is represented in fiction. It shouldn’t.
But the definition of AI is still oddly large and include a lot of things that probably shouldn’t be part of it.
On the other hand, when people talk about “AI”, it’s almost always about machine learning, aimed at NLP or vision tasks, which is also inaccurate as AI can do much more than that.

They wouldn’t be among the biggest and richest corporations in the world if that was the case.