Well, he partially uses the short article in the January 2012 issue of Vanity Fair to plug his own children’s books, but his reverence for Looking Glass is genuine:
By the time Lewis Carroll wrote Through the Looking-Glass, in 1871—140 years ago this month—Alice’s Adventures in Wonderland (1865) was already a beloved book. So the pressure was on; Carroll faced a real “follow-that problem.” … “Still she haunts me, phantomwise,” he wrote in the book’s epilogue, and thank goodness she did, because Through the Looking-Glass was anything but an anticlimax, giving us the Jabberwock, Tweedledum and Tweedledee, and the Walrus and the Carpenter to add to Carroll’s pantheon of magnificently nonsensical immortals. [continue reading.]