I counted 3 questions, not 1. And they're quite loaded, nowhere near innocent.
The world becomes a more confusing place as people confuses fake with real. But in general I honestly doubt manure, whether it's from humans or other animals, will have anything to do with the ever improving graphics and animation quality.
Knowing the perfectionist that Ocean seems to be, it's possible.
Depends. How old are you? Are you suffering from a life-threatening disease? Are you planning to commit suicide? This is just a game, not some life-changing event. What difference does it make if you see the game's end or not? (If it is a life-changing event for you, there are much bigger issues in your life.) Besides, nobody gives a F if you live to see the game's end or not.