 Complete the following phrase:  Much more controversial has been the use that some theologians have made of the concept as grounds for a permissive attitude to moral norms, treating them merely as ideals. Some have invoked this understanding on matters such as the Catholic Churchs ban on artificial contraception, or cohabitating couples. This lowering the bar of Church teachings that are deemed to be too difficult has been denigrated as moral relativism. Some believed this interpretation seemed to be mentioned in an interim discussion document presented at the 