Leadership is a very useful skill for an Orc (Battle Frenzy with Bloodlust at 5 is helpful, and the Speed Aura combined with Tactics allows Cyclops to reach the opponent in one turn). Playing without it is detrimental. Therefore, the choice arises: take Battle Frenzy + Retribution or Fire Arrows with Ranged Attack. It is clear that the first combination is much more effective, and therefore, if we take Machines, we significantly weaken the army itself. In a quick game, this is more than compensated for, but in a long game...