Because 83/84 was golden era of personal computers. Even when 8-bits was very limited, but they was affordable. Imagine, sales of commodores and consoles achie

Because 83/84 was golden era of personal computers. Even when 8-bits was very limited, but they was affordable. Imagine, sales of commodores and consoles achieved millions annually. What also important, fortunately, 8-bits was good enough and (mostly) enough fun for tech level of that time (VHS, AM radio). Previous computers was extremely expensive, so limited to military/science or business. Later computers become boring commodity.