Someone few weeks ago posted a link where there were few emails that were exchanged with Valve and puglishers(?) with redacted pieces here and there. Their point was that Valve tells devs/publishers to match prices of their games on their own stores to prices on Steam.

I may be not a great english speaker, but in reality it did read that if a company wants to make discount somewhere else, they need to match the exact same discount on Steam. Point of that was that Valve doesn't want customers to think that Steam is an expensive option when shopping for games.

I think that this is a common misconception and Gabe was annoyed that interviewer had not double checked information regarding Valve policies.