...because their attention focuses on the guns, rather than on their users. (Para. 15)
rather than: instead of; in contrast to
I think I'll have a cold drink rather than coffee. 我想要一杯冷饮，而不是咖啡。
I want to see a funny program but not a serious one. I enjoy laughing rather than crying. 我想看轻松的节目，而不是严肃的节目。我喜欢笑而不是哭。