The article discusses how "Blue Bloods" has remained a successful police procedural drama for over a decade. It attributes the show's longevity to its unique premise of focusing on both police investigations and family bonding. The article highlights the importance of the traditional Sunday dinners of the Reagan family, which adds lightness to the otherwise dark and intense episodes. It specifically mentions a heartbreaking moment from Season 7, where Reverend Potter's son is tragically killed by a gang that was once mentored by Potter himself. This twist reinforces the idea that sometimes the biggest threat can come from unexpected sources.