2) Check your lore. Humans attacked first and were driven back. Then committed genocide.
3) True - but what good are humans except as slaves. They're too stupid for anything else. We haven't discovered a way to make them good as a food source, but we will. We're working with the Bosmer on that.
4) Of course we did. Couldn't have anything interfering with our happiness and safety. Wouldn't you?
2. You check your lore. It's common knowledge that human scholars say elves did the first strike, while elven scholars claim the humans started acting out. What we do know is that the Snow Elves did the first genocide though (Saarthal, Night Of Tears).
3.
4. Meh, I'll give you that.