Red Dead Redemption's map was apparently created before its PS3 version was even in development, and a new comment from a former Rockstar Games veteran may have given us some insight into why.
The sequel, Red Dead Redemption 2, released on consoles in 2018 ... neither when it first came out on PS3 and Xbox 360 in 2010 nor when it was ported for PS4 and Nintendo Switch in 2023.