Books that present a utopian future in which the inequities and sufferings of the present are replaced by more harmonious and rational social arrangements will always find enthusiastic buyers
Since gloomy books predicting that even more terrifying times await us are clearly not of this genre, they are unlikely to be very popular
Art that portrays people as happy and contented has a tranquilizing effect on the viewer, an effect that is appealing to those who are tense or anxious. Thus, people who dislike such art are neither tense nor anxious.