They play on a controlled server with a group of people who they talk to. This means they are in constant communication with players on both teams. Since they develop the game under these conditions, they essentially make a game that's gameplay is entirely different from the rest of us. Devs don't play the same game and don't have experiences like most other players. They live in a bubble. Not a titan bubble either.
They certainly don't play on console, otherwise they'd still be loading.