Possibly because this posed the expansions as floppy disks costing $4.95 – by the time Diablo was released it was on CD, and presumably the art required for exp

Possibly because this posed the expansions as floppy disks costing $4.95 – by the time Diablo was released it was on CD, and presumably the art required for expansions was much larger than a CD, and CDs were not as cheap as a single floppy disk.