Iain Banks’ Culture series doesn’t lend itself to easy summations. Entire essays have been written on the world he set up, so I won’t go into much detail.
Essentially, Banks has created a liberal utopia on a galactic scale. Given a limitless supply of easy energy and near-omnipotent manufacturing technology, the citizens of the Culture want for nothing material. Tedious administration is done by artificial intelligence, leaving normal folks to live their lives as they please. In such a society, property is an archaic concept, something that is even reflected in their language. With scarcity removed from the equation, the only real crime is coercion.
Still, every society hits a wall eventually. In Banks’ world, self-destruction or a collapse into barbarism is unlikely, and the end point for civilizations is simple ennui. What do you do when you just feel like you’re going through the motions, with nothing left to contribute? Continued...