Well, I think we both can agree that it depends on what we are gonna use the centerpoint for.
For realistic rotations and physics you'll want the center of mass, but for bounding spheres and such, you don't want the center of mass, but the center of the mesh.
For realistic rotations and physics you'll want the center of mass, but for bounding spheres and such, you don't want the center of mass, but the center of the mesh.