We all have choices to make and those choices affect us and those around us. To believe in inescapable destiny is a lazy way of living, because it denies our own responsibility to make beneficial choices.
"But God knows the end from the beginning. But God is in control of the whole world. But God directs our paths. But, but, but..."
The king may rule the nation, but that does not relieve the shopkeeper of helping people he knows. Some things the king has left for us to do... or to not do, as we choose.