Space faring civilization should be Stage 3 civilizations which has mastered the tech of harnessing stars for energy (dyson spheres) hence there is a good chanc

Space faring civilization should be Stage 3 civilizations which has mastered the tech of harnessing stars for energy (dyson spheres) hence there is a good chance that they will be intelligent enough to know there are more cons to pros in eradicating us. I would think they will observe, study and do the best course of action. At best, they will act diplomaticly, at worst we will be enslaved.