In many cases, the purpose of matsuri departed from the interests of participants due to changes of the times, and details of events of some matsuri were forced to be changed due to changes in the social environment and so on.
祭の目的が時代の変化によって参加者達の利害とは離れてしまったものも多く、行事の内容も社会環境の変化等により変更を余儀なくされた祭もある。