Yes, "Those people don't exist" isn't technically correct; perhaps it should have been "Those people don't exist in significant numbers."
The point is that people who call themselves AI researches, the vast majority of the time are not working on AGI but on weak AI.
http://news.ycombinator.com/user?id=eyudkowsky
His research is in making AGI (artificial general intelligence) not go skynet by building in morals. That seems fairly pure to me.