Indeed. And there is a wide gap between "being as cognitively capable as the average human" and "doing things that no human can", as you put it. So it is important to be realistic about what things the average human is capable of doing, and writing bestselling books is not one of them. Just as an example.
And in order to describe the capabilities of what is AGI and ASI, it is useful to look at examples of what humans can do at a range of capabilities, with some nuance. It is not black and white.
