Judging from the size of the dish, I assume it's a physically wide beam. That also means you don't have to aim as well, and you can - like they demonstrated in

Judging from the size of the dish, I assume it's a physically wide beam. That also means you don't have to aim as well, and you can - like they demonstrated in the video - point and sweep to take out a large swath at once without having to acquire each target individually.