User blog comment:Strawhat1/One Piece Anime Time Skip/@comment-3119203-20110819145215/@comment-4159709-20110819151430

they have reasons to rename it: the series is too long and they want to start from episode 1. they want to get more fans by starting from episode 1, and then people won't have to watch 500 episode so they can catch up to the show. the time skip is a good place to do that.