kindness.
Something tragic, difficult or sad will happen to every single on of us- and to them as well. We will not get out of this life without pain, heartache and tragedy. Those that are being so rude and mean in this situation will some day need the kindness of others, the goodness of a person to help them get through something difficult.
But the rain falls on the good and the bad. Sometimes it seems like the wicked prosper and the righteous suffer-- but it all works out in the end.