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I don’t see that as implying he came up with the idea. They’re just referencing a recent use of it with a catchy name.

A singular name. It would have been pretty simple to be clear with "and others." Instead, the obvious conclusion drawn by any reader is that the idea is the principle creation of the only author mentioned.

Both quotes are true. He never says the author created the theory.

"Present" ≠ "invent."