He is approving sin. Shame on him.
He is. And his previous statements about atheists need to follow their "conscience" and the downplaying of homosexuality are equally outrageous.
And millions of people (including children) believe he is infallible, and speaks for God Himself.
Christ had something to say about such people:
"If anyone causes one of these little ones--those who believe in me--to stumble, it would be better for them to have a large millstone hung around their neck and to be drowned in the depths of the sea."
Matthew 18:6