Right-wing talk show hosts drove the TN shooter over the edge?

Right-wing talk show hosts like Bill O'Reilly, Sean Hannity and Michael 'Weiner' Savage are always quick to blame the artists (musicians, filmmakers etc) whenever some lunatic goes on a killing spree. As it turns out the shooter Tennessee Valley Unitarian Universalist Church has been reading books written by these right-wing loons...

Bill O'Reilly, Michael Savage, Sean Hannity on accused shooter's reading list

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  Inside the house, officers found "Liberalism is a Mental Health Disorder" by radio talk show host Michael Savage, "Let Freedom Ring" by talk show host Sean Hannity, and "The O'Reilly Factor," by television talk show host Bill O'Reilly.
  
  The shotgun-wielding suspect in Sunday's mass shooting at the Tennessee Valley Unitarian Universalist Church was motivated by a hatred of "the liberal movement," and he planned to shoot until police shot him, Knoxville Police Chief Sterling P. Owen IV said this morning.