You are quoting him out of context. That was directed at wannabe-writers who don't make time to read. Which is completely fucking batshit crazy. If anyone deserves some f-bombs, it's them.
Additionally, the very next sentence is "Joking. I would never say that. But I certainly fucking think it."
Additionally, the very next sentence is "Joking. I would never say that. But I certainly fucking think it."