A combination of these as well as cultural trends. Most of our behavior is dictated by the social norms we encounter daily, it makes sense that the same holds true for the way we sound.

Thanks! Will check.

Looks good. I would like to test cosmic whenever I have the time.

Try Solaris by Stanislaw Lem. One of the best books I’ve ever read and is more or less what you are describing.

Ideology runs this way unfortunately