I think the main thing is that Nintendo had splitscreen multiplayer planned, but performance prevented it. Edit: Got farther into the video and he talks about

I think the main thing is that Nintendo had splitscreen multiplayer planned, but performance prevented it. Edit: Got farther into the video and he talks about this at 14:50 ( https://youtu.be/t_rzYnXEQlE?t=890 https://youtu.be/t_rzYnXEQlE?t=890 )