They don't have to remove content whenever someone just says its defamatory.
They have to remove defamatory content once someone has told them it's defamatory. Essentially the ball is put into Google's court at the point, with the question: are you willing to defend this as non-defamatory? Which is the same question all primary publishers face.
They have to remove defamatory content once someone has told them it's defamatory. Essentially the ball is put into Google's court at the point, with the question: are you willing to defend this as non-defamatory? Which is the same question all primary publishers face.