We've been a nation at war for the entirety of zoomer's lives until just a couple years ago. Who does the OP think is fighting in those wars? It was Gen X & millennials, and then zoomers.
Fact: 2/3 of the men who served in Vietnam were volunteers. 2/3 of the men who served in World War II were drafted. Approximately 70% of those killed in Vietnam were volunteers.
No, the reason she used "storming the beaches of Normandy" and not idk, "the beaches of Da Nang", is because Normandy is associated with the beginning of a turn in fortunes of that conflict which ultimately led to Allied victory. Nobody would fucking care about Normandy if the Nazis won.