"curious that you would reject Christianity on the basis that the Bible condemns incest and rape"
John, that would certainly be real, real "curious"; you'll have to show us who said that.

Regretablly, some garbled versions of Biblical incidents have cropped up here, as well as the implication that whatever is mentioned in the Bible is condoned by the Bible. That only serves to muddy the water.
It remains that any number of things that God allegedly did, and that his followers allegedly did with His approval, would be considered abhorrant by any sane person today.

Apart from fundamentalist assumptions about the bible, that doesn't
prove a thing about God's actual actions or desires. It reflects on the bible, not on God.