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Right. I've read that we would relate to a species that managed to solve interstellar travel roughly like a dog relates to a human. Think of how incomprehensible a modern human and our technologies would seem to a B.C. era human and that's only been a couple thousand years.
I often wonder why people assume that an alien species would be benevolent and helpful. Our own history certainly hasn't shown much but exploitation and extermination when we've encountered a culture of humans that are less evolved technologically. Why would we assume an alien culture any different?