Alien Invaders?

This country is overrun by aliens! And I don't mean the illegal ones. But relax, they come in peace... right? The real question is would they come in peace? I foresee two options if we are ever visited by extraterrestrial visitors. Either they come in peace or they don't. Simple as that.

And I would like to argue that there's little chance that they'll come in peace. Of course the universe and logic hold in infinite number of possibilities, but the only ones we've yet to understand to be proven are those we've proven ourselves. So it is logical that we should put ourselves in the place of the visitor. What would we do?

I would like to claim that we would come in peace, I know I would, but I can't bring myself to believe that. History is against us on this one. Can you not think of a time when we've discovered a new world complete with sentient beings, laws, culture, in short a system similar to our own? In fourteen-hundred and ninety-two Columbus sailed the ocean blue... and it hasn't been the same since.

Now of course, we'd like to think that we'd not end up being overrun, killed by disease, enslaved to mine ore and serve as domestic servants, or killed en masse. But we've done this ourselves, and this isn't the only time either. The Spheres of Influence in China, African and South-East Asian imperialism, Nazi Expansionism, White Man's Burden... The list goes on and on.

Come in peace? Not likely. They'll want our water, our air, our food, our metals. Human based logic states this. And human knowledge is based only on experience. We cannot begin to comprehend what it would be like for an alien society to come in peace. At least invasion we'd understand.

So let's sit back with our boards with nails and wait for the invasion. Alright? Unless you have a better idea like, I don't know, learning from our mistakes?