The richest person on Earth is technically also the richest person in the universe, since our definition of rich is owning a lot of Earth money, and there's no way for Extra-Terrestrial life to obtain it.
It actually makes more sense to inherit maternal surnames since you can't always be sure who the father is, but you can always be sure who the mother is.
Beer and liquor bottles are often returned to be refilled, and plastic water bottles end up in the ocean, so drinking booze is better for the environment than drinking bottled water.