I don’t care what the guy hated, he took a gun into a peacful gathering and killed in a cowardly manner.
According to his neighbors he was anti-Christian.
http://www.knoxnews.com/news/2008/jul/27/neighbors-accused-shooter-everyones-friend-hated-c/
“He had his own sense of belief about religion, that’s the impression I got of him,” said neighbor Karen Massey. “We were talking one day when my daughter graduated from Bible college, and I told him I was a Christian, then he almost turned angry.
“He seemed to get angry at that.”
According to Massey, Adkisson talked frequently about his parents who “made him go to church all his life ... he was forced to do that.”