Unity, as defined by marxists, is that everyone is equal and has equal access to rewards based on nothing they are just entitled, with or without effort, loyalty, virtue or diligence.
Unity, as defined by republican free marketers, is that people with the best track record, motivation, perserverance, integrity and work ethic not just working hard, but working smart can rise and have access to rewards.
I think you have equality confused with Unity.
When fighting an enemy its usually better not to tell those who are on your side to jump off a bridge.