It’s an expression we often add after coming up with something crazy - as well as a casual equivalent of “what can possibly go wrong?”. It’s on our t-shirts and studio walls it’s something we say, and one of the ways we think.
Well, nobody at RED knows who said it first, but “We Are Rebels” has been living with us since forever. Like with any good nickname, if a game-dev studio has a catchphrase, it should be something someone says once, then it just sticks.