Christians have an important role to play in contending that no human life is "devoid of value. " We can do so through courageous protest, as happened in Germany, as well, as in compassionate care for the most vulnerable members of society, as Mother Teresa did. In both approaches theology - what one believes about God and human life - matters. The world desperately needs that good news.
The great lesson to learn of life is the need of giving out from the abundance of one's self in order to be ever abundant within one's self.