If ‘THEY’ are out there, the THEY are far more advanced than we are.
That is no guarantee that they are a benevolent society.
THEY may be like the Spanish Conquistadores when they first met the Aztecs and Incas..................
It is a very common assumption that a technologically superior species would be enlightened or peaceful. How does that work on Earth. We are far more technologically advanced than early Homo Sap. Are we more peaceful?
The reason we don’t hear alien civilizations is because they aren’t stupid enough to announce themselves.