

I’m a bit confused by your argument. Home computers from Commodore, Coleco, Apple, and Atari all had controller ports and many were compatible with those that came with their console offerings. Coleco even had an Adam add-on for the ColecoVision. That doesn’t even begin to touch on what Sharp was up to in Japan or the MSX line.
Also, you are a bit off in your pricing, and forgetting that PlayStations didn’t include TVs in the box:












The number of times I have received an un-proofread two sentence email is too damn high.