>there's evidence they were made Is there? Everyone is overlooking the possibility that these 'crafts' are the aliens. They need not even be intelligent. If so

>there's evidence they were made Is there? Everyone is overlooking the possibility that these 'crafts' are the aliens. They need not even be intelligent. If something evolved to overcome gravitation it would make sense that it did so in an environment where this was necessary for survival. What we think of as advanced technology might, in the context of living near a black hole, simply be the equivalent of evolving a first primitive method of propulsion, like a fin.