Because you would leave them alone with the impressions of the day - just because you only show them bad content for 3 hours, doesn't mean that they will automa

Because you would leave them alone with the impressions of the day - just because you only show them bad content for 3 hours, doesn't mean that they will automatically create a counter-balance in the free 5 hours. I force them to watch the bad side of humanity, so I also "force" them to watch the good side of it. It should be subtile, of course.