Many Christians like to think that they take the Bible as it stands, but in reality they take the Bible as they understand it. What we get out of the Bible often has as much to do with what we bring to the text as with the text itself. Differing biblical interpretations often arise from the different theological grids that are imposed on scripture. For instance, conservatives tend to look at an issue like homosexuality through the prism of the holiness of God, whereas progressives tend to approach it with a focus on the justice of God. One approach tends toward an exclusive reading of the text, the other toward an inclusive reading.
It is right that we argue over our readings of the Bible, for it is the charter document of our faith. Much better to argue over scripture than to ignore the texts that give us our identity as Christians and our orientation for life.