Any being advanced enough to cross ther intersteller distances involved would have no reason to stop at earth unless we were tasty to them.
So the Europeans, who were advanced enough to travel the oceans, only stopped in America because the Natives were tasty to them?
What ever happened to wanting to learn about something simply because its there? I mean look at human beings, sure, we cant travel through space, but we are fascinating creatures. Look at this message board for example. You have people with thousands of different ideas and experiences talking with one another. Some are brilliant, some are dumb. Some are young, some are old. Some are civilized and some are just plain unpleasant to be around.
We are all the same speciaes, the same family, yet we are so complex and unique that no two people are the same, even if they look it.
Does an anthropologist study human tribal communities because he is hungry and they look tasty? Or is it because no matter what is in the universe, there is always something new to learn and discover. No matter how long we live, we can always grow and learn something more?