"The coming technological bonanza will probably make it feasible to feed and support these useless masses even without any effort from their side. What will they do all day? One answer might be drugs and computer games. Unnecessary people might spend increasing amounts of time within 3D-virtual-reality worlds, that would provide them with far more excitement and emotional engagement than the drab reality outside. Yet such a development would deal a mortal blow to the liberal belief in the sacredness of human life and of human experiences. What's so sacred about useless bums who pass their time devouring artificial experiences in ?"