Because the sound effects are key. Meanwhile in … France, lightsaber dueling is now a recognized sport.
In an effort to engage young people and make exercise more attractive, the French Fencing Federation elevated lightsabers to the same status as foils, epees, and sabers. The federation’s officially sanctioned lightsaber duels last three minutes and use light-up lightsabers (sometimes with sound effects) paired with traditional fencing safety gear.
That will make all the difference to the coach-potato generation.