They are out there, but they have more sense than to some here.
Reactions of first contact:
Cults spring up to worship them
Suicides go through the roof as people fear enslavement
Militant groups spring up in response to the menace, even if they come in peace.
America's president would act as spokesperson for the world, which in turn would piss China and Russia and everyone else off.
First probable reaction would be to nuke a spaceship before it arrives, and the whole thing be kept secret to prevent the above
Edit: And some asshole would try to sell them the Statue of Liberty
Reactions of first contact:
Cults spring up to worship them
Suicides go through the roof as people fear enslavement
Militant groups spring up in response to the menace, even if they come in peace.
America's president would act as spokesperson for the world, which in turn would piss China and Russia and everyone else off.
First probable reaction would be to nuke a spaceship before it arrives, and the whole thing be kept secret to prevent the above
Edit: And some asshole would try to sell them the Statue of Liberty