A month ago Obie good-naturedly called Zed out for this here: http://news.ycombinator.com/item?id=98361
To be fair, Zed also said in subsequent interviews that he'd still use Ruby to make money, but he wouldn't use for hobby coding or new, envelope pushing projects.
Biggest irony is that he's using Rails on his new project even though he said he didn't want anything to do with RoR and 'left' it for Factor.