Because sometimes we need a reminder that there is Hope. A reminder of where our Hope lies. A reminder that even though things are difficult there is still Hope. A reminder that especially when we feel hopeless, Hope is there for us.
He came as the least of these to give us hope that the Father can indeed use the least of us. No matter where or what we come from. No matter how small our beginnings. We can be assured he will fulfill is purposes in us in spite of, and often, because of, our imperfections.