Yes, the Moon Treaty was never ratified by the US. I think it's worth noting to show both the historical precedent of respect for the preservation of the Moon's environment, and that such respect is widespread throughout the world.
By thirteen out of nearly two hundred countries?
Let's face it, nobody actually wants someone to burn a huge logo onto the moon. And that's okay, because nobody can afford to burn a huge logo onto the moon anyway. In terms of other uses, there's some reasonable disagreement -- for instance the Moon Treaty says that no private individual should be allowed to own any land on the Moon, whereas I think that granting land rights on the Moon to whoever can manage to set up a permanent settlement there is a great idea.