In the 80's in Bulgaria a lot of people owned tape players and TV sets and some even had computers(pravets 8 was a popular apple ][ clone in the eastern block,

In the 80's in Bulgaria a lot of people owned tape players and TV sets and some even had computers(pravets 8 was a popular apple ][ clone in the eastern block, a lot of people had one conected to their tv sets). So your argument is not very well justified. Please avoid talking abouth topics you don't have sufficient information abouth.