I agree that shorter seasons would be beneficial for Olympus. I played for the first 2 months of this season and dropped off after a while. When I returned a while ago out of curiosity, not a single player who I'd played with at the beginning of the season was doing anything other than AFKing, and the clan that was carrying me had dropped severely in the leaderboards.
I think that joining at the beginning of the season should actually give players an advantage.