@amca Thing is, from 1974-1994 production volume of computers increased by an order of magnitude from generation to generation (each roughly 4-5 years). 8" was *rare* compared to 5.25", which in turn was rare next to 3.5" floppies.
For comprison, PCs/Macs only ever sold in the 10s of millions until 2000; smartphones are sold by the billion today.