If we look at Chinese Martial Arts movies, we see a quest in plot and extensive athleticism demonstrating impressive Kungfu Curriculum.
If we look at western action films, the trend the fame of Krav Maga brought is to try and make them more combat realistic. With many soldiers coming out of recent wars, with Krav Maga advertising for realistic combat tested Hand to Hand Fighting methods, most of these videos and actors try to improve their technical knowledge of how it should resemble real life.
Many Krav Maga Promotional Videos are trying to get your attention by using Hollywood acting tricks which suppose to play with your emotions where physical violence is acted out as well. Some are trying to portray an exhilarating circus performance of Jujitsu, or even boxing training drills.
The idea of the old Hollywood movies was to create maximum fear, identifying with the victim with minimum skills using the same Pure Krav Maga principle called efficiency.