Forum Moderators: open
What is that? A bug at google?
That sir would be a flawed interpretation of the robots.txt standard. That standard was originally intended more as "This site is for humans, not robots. If you are a robot, go away and don't waste the bandwidth I pay real money for."
This is A-OK per the standard if Google fetched only robots.txt, and nothing more. You have no right to stop Google from indexing your sites. Your only right is they not waste your bandwidth.