The problem with a purely collective system is not only that it requires economic growth, and the right sort of demographic trends, but that it prevents people thinking about their futures in a responsible way.
I found that I could write two kinds of short stories: I could write very absurd, kind of surrealistic, funny stories; or I could write very dark, realistic - hyper-realistic - stories. I was never happy with that, because I couldn't meld the two.
The digital revolution is far more significant than the invention of writing or even of printing.