[throwway120385]

I think you're assuming too much care. Right now they haven't adopted that business model because they don't see it as a viable business model. As soon as they realize that they can lock certain categories of query behind a different subscription they will do that. We saw the same thing with streaming services and basically every other kind of online service -- small, singular subscription followed by a gold rush and then suddenly there's an upcharge for access to every other publisher's catalog of movies.

[ben_w]

That kind of thing is basically why I wrote the opening clause of the first sentence.

i.e., yeah, probably.