Like the books on Project Gutenberg and similar sites, those books are OLD and not cool.
There might be some nasty stuff in some of those old books like self-sufficiency, the great strength that can come from faith, and how overly centralized power causes unnecessary suffering.
Hell, there might even be some stuff about how boys grow up into men and girls grow up into women and while both are important they aren't the same and shouldn't be.
Even worse, those books might even talk about the power of family and how for generations people always looked to relations for help before they would allow themselves the desperation of looking for others to feed them through taxes.
Old books probably don't have the required number of gay marriages, transexuals, welfare recipients, illegal immigrants, Christians being evil, Muslims being perfect, and Obama saving the world.
By the way, do you know Obama won the Nobel Peace Prize? And it wasn't even for attendance?