it's all rubbish made for entertainment purposes.
Well yeah, actually. Filmmakers tend to exaggerate or over-simplify things in flms. I probably would be too nerdy to have the actual shooting process described in films. MRAD, range, circumference, you know... People would skip...
Yeah, people don't want to use their brains these days, preferring to get their information downloaded to them in the form of propaganda, and their thinking done for them.