@bitinn
-When limits are hit you can present cost tradeoffs between features and let design/art leadership decide what is most important to the title. You can offer advice but at a certain point it becomes an entirely creative decision.
-Past experience helps, you can also simulate examples of the different trades to provide a better (even visual) picture of what it can look/perform like
-It helps if a representative from each major group is involved, preferably someone enthusiastic