Religious institutions should not become businesses. I go so far as to discourage new churches from taking non-profit status. They should not become institutions that bow to governments for tax breaks.
Jesus' speaking to the Samaritan woman is a distinct event in which he tells the truth to a non-Jew. Her faith should be seen as important and is the beginning of gentile faith.
Romans 4:6 uses a verse from Psalms equating to "Blessed is the man whose sin the Lord will not take into account. Interesting.