The whole point of strategy is to get in a position to fight easy, unfair battles. You want to start a battle 10 to 1, flanking and by suprise. Gac being a strategic mode, it's fine imo that your strategic decisions pre-battle (aka resource management) give you an advantage.
However, it's understandable that some players would prefer a more tactical approach where ressource management doesn't play such a major role. Rather than changing matchmaking, i would prefer a new game mode, like some kind of sealed/draft mode where you don't use your roster but characters from a pool.