Why are atheists so angry?
Because it’s incredible what power religion can have over people.
Most religious people aren’t violent and most wouldn’t admit to being as homophobic as Fred Phelps, of course.
But too many are ignorant. They’re blinded by the Bible or the Koran or what-have-you. When any one book is seen as Truth, and Science and reason and common sense are ignored, this is what can happen:
Greta Christina, as she so often does, eloquently explained why she is an angry atheist on her blog a while back.