Lanefan
Victoria Rules
Or you have a group of 4 with nowhere to play (IME the game is invariably at the DM's home) who then just drift apart.So we have a group of 5 and the DM leaves.... now we have a group of 4 with a new DM.
A DM of any kind is more important than a player in one respect, in that without a DM the player has no place to play.Is a good DM more important than a good player? I'm not as sure anymore.