Yeah.

Jimmy Akin does the heavy lifting, ably, as usual.

And in another post here.

The Seventh Age adds a bit

A private communication to a German friend saying, "ja, good article, you’re probably right," is not a public statement that merits much attention without further reason. Even if the Pope had read the series and made the comments, which it is fairly certain he did not, Catholics are not bound to papal literary criticism.