Hollywood actually was patriotic once upon a time ... a film clip from the documentary ...
https://www.youtube.com/watch?v=hBjZU4hQV-Q
There is a whole movie of this, Combat America, linked below.
https://www.thevintagenews.com/2018/10/01/clark-gable/
The full version ...
https://www.youtube.com/watch?v=7SJQYG_GskY
My father as a boy got to meet Jimmy Stewart (later decorated USAAF bomber pilot) and Carol Lombard (wife of Clark Gable) at a promo event.