If they don't need the source code, it would be interesting for them to run some tests on Civ V Duel.
Run 100 games each using Civ I, Civ II, Civ III, Civ IV, and Civ V's manuals.
If the Civ II manual outperforms the Civ V manual in Civ V, it could confirm issues with the Civ V manual.