I could see why aliens want to avoid us. we already have xenophobia for other humans, imagine who we would treat non-earthlings.
Scramble the fighter jets armed with warheads.
"I like pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals."
~ Sir Winston Churchill
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__________________ "All the problems we face in the United States today can be traced to an unenlightened immigration policy on the part of the American Indian."