There is an interesting opinion that these places are actually ancient sacred places for religious services, but only people's fear for divine punishment remained as a tatari tradition without religious beliefs.
しかし、このような土地は古えの聖域、祭祀場であり、本来、禁忌の対象となっていたものが信仰が忘れられて祟りの伝承だけが残ったという見解もあり興味深い。