Why would any other civilization come here if it weren’t to befriend us or dominate. To travel that far without doing either seems pretty ridiculous, really.
What would they gain with secrecy?
“What would they gain with secrecy?”
Like animals in a wild life preserve. They try to interact as little as possible.
They go about their way and do their own business. It is man who is hiding them from other men.
But we are the new kids on the block. They have been here forever. Long before us.