Pedantic
Legend
To some extent, I agree, but I think that's mostly handled by the basic premise of the game and its mechanics to begin with. I don't think this requires anything beyond the usual session zero and game pitches in the first place. If I pitch a game based on the fall of a pseudo-Roman decadent empire rife with internal corruption and external threats, I'm going to have players wanting to play information brokers and recently returned warriors from the front, and junior members of scheming patrician houses and so on.I think this works best if the players are given some out-of-character info by the GM, so they can make non-blind choices in PC building.
Integration with the setting and the whole heroic class structure should be sufficient. And if it really isn't working, there's always retraining, which mostly consists of saying "hey, can I swap Swim for Climb?" and me saying "sure!"