Imagine a new member to the family. The real or prospective son- or daughter-in-law is not sat down and explained the family ways, nor given diagrams, lists and rules for behavior. They are told stories.
When Gary Turner first heard about the Jews versus Gentiles baseball game, he wondered, “What is that about?”
It's nice to honor Righteous Gentiles when they're dead. It's even nicer to acknowledge them while they're still alive.