You know, we live in a country where if you want to go bomb somebody, there's remarkably little discussion about how much it might cost, even though the costs almost inevitably end up being orders of magnitude larger than anybody projected at the outcome. But when you have a discussion about whether or not we can assist people who are suffering, then suddenly we come very, you know, cost-conscious.
If you want people to understand that you value their contributions and that they are important, the recognition and praise you provide must have meaning that is specific to each individual.