The claim being made is not "no computer will ever be able to adapt to and assist us with new technologies as they come out."

The claim being made is "modern LLMs cannot adapt to and assist us with new technologies until there is a large corpus of training data for those technologies."

Today, there exists no AI or similar system that can do what is being described. There is also no credible way forward from what we have to such a system.

Until and unless that changes, either humans are special in this way, or it doesn't matter whether humans are special in this way, depending on how you prefer to look at it.