Certain unit types should be made more likely to desert without pay, like mercenary units. Yet a player should be able to counter this by perhaps having such character traits as being able to hold an army composed of many nationalities together; or an ancillary character could be added to a leader for logistical purposes lessening the affect of attrition to an army. So realism does not need to be sacrificed, it could be abstracted to save a lot of details. And this is no news to gamers yet many have failed to incorporate them by either lack of creativity or simply sacrificing too much of one aspect for the sake of other.
A game does not need to be reduced to small skirmish actions to portray realism. But if need be it should be made like a chess game, challenging a player’s intelligence.
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