From the AR article.
There’s no question that the XD-S is special because of its chambering, but those who find its other attributes enough to recommend it will be pleased to know that Springfield already has plans to produce the pistol in “other popular calibers” in the future, according to Williams.
"Top" 1st Sgt
Like it or not, when the chips are down and lives are at stake, an armed citizen can be the "first responder." People who don’t like guns invariably rely on people who have guns when their lives are in danger.