text_a: like its two predecessors , 1983 's koyaanisqatsi and 1988 's powaqqatsi , the cinematic collage naqoyqatsi could be the most navel-gazing film ever .
text_b: moore 's complex and important film is also , believe it or not , immensely entertaining , a david and goliath story that 's still very much playing itself out .