WotC's Chris Perkins on the Alice in Wonderland themes of D&D 5th Edition's Rage of Demon's Out of the Abyss by Green Ronin Publishing.
What timeline would you be looking at for that? There used to be FR forums over on the WoTC forums but they left years ago (2003/4 or so).
For me, personally, it felt coincidental with the advent of major social media platforms.