This, plus they didn't want to have to pay any licensing fees for another medium (especially one partly owned by a competing company), so creating a proprietary format was a way around that.
It's called the American Dream because you have to be asleep to believe it.
- George Carlin
Nintendo started in opposition to Atari who had huge quality issues and there was no game review media like there is today so Nintendo developed a culture of absolute control.
"Something's wrong! Murder isn't working and that's all we're good at." ~Futurama
41 And whosoever shall compel thee to go a mile, go with him twain.
3 Know ye not that we shall judge angels? how much more things that pertain to this life?
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