I ride centered but thats just my preference. Often the set back stances and what shops will set up for beginners as it can be easier. I'll shift mine back if there is massive poweder and i wanna keep the nose floating a little more
Some boards come with a default set back between 1cm and 2 inches depending on the board model. These also have a set back side cut and flex so you dont want to move the stance to centered on these boards because it will mess with how it rides. They have a directional shape. Boards with a centered stance have a twin shape, typically with an even flex and a side cut that is meant to be ridden forward and switch.