Analyzing three motivations for dungeon-delving
1. You want wealth and power, fame and glory! It's hard to "be a fan of the player characters" when their only distinguishing motivation is "get rich." This is a feature if you want the PCs to be empty vessels who could die without the players being seriously disappointed. The bigger problem is: what do you actually do with the treasure? It's not much of a power fantasy if there's nothing to spend your heaping piles of gold on. In the olden days when D&D was an MMO (massively multiplayer off line), this wasn't a problem, because the point was just to be more powerful than all the other players. Money was endlessly useful because you always wanted to be at a higher level with a bigger army than everyone else. Nowadays people try to make domain-level play work in dedicated-table play, but without the competitive element of fighting other players (not to mention setting up your own dungeon to tax low-level players who want to explore it), it tends t...