Sorry, not buying this. My main reason being the fact that any civilization capable of interstellar space travel would see us as beneath primitive. And, when they see the liberals, they would add “dangerously and stupidly primitive”.
Have you ever contemplated planet Australia?
That the individuals imprisoned on earth were the intergalactic criminal dirt?
Or looking at our Millenials and post-covid Generation Z losers may decide like the Gemini Killer in Exorcist III: Catatonics are so easy to possess...