One example why the manga is a much better portrayal of the original game than the anime:
Higurashi no Naku Koro ni - Watanagashi-hen Vol. 2 pp. 240-241
Copyright: Square Enix, Ryukishi07, Houjou Yutori
1. Dramatic scene (in this case, the doll) [check]
2. No weird kao-gei [check]
3. More emphasis on Kei-chan's inner monologues [check]