Why does the third gentlemen object to horses on wallpaper and flowers on rugs?

The third gentleman objects to horses on wallpaper and flowers on rugs because he believes these designs are impractical and lack sophistication. He values a more refined aesthetic, arguing that such motifs can appear overly rustic or kitschy, detracting from the overall elegance of a room. His objections reflect a desire for decor that aligns with his personal taste and the social standards of refinement.