Introduction:
Power sharing refers to the distribution and decentralization of power among different levels of government and various social groups in a society. It is considered desirable for several reasons beyond moral and prudential justifications. This response will delve into the details of why power sharing is desirable, excluding moral and prudential reasons.

Promotes Political Stability:
- Power sharing helps to prevent the concentration of power in the hands of a single individual or group. This reduces the chances of authoritarianism and dictatorship, promoting political stability.
- By allowing different groups to have a share in power, power sharing helps to accommodate diverse interests and aspirations, reducing the likelihood of conflicts and promoting peaceful coexistence.

Fosters Inclusivity and Representation:
- Power sharing ensures that different social groups, such as ethnic, religious, and linguistic minorities, have a stake in decision-making processes. This fosters inclusivity and representation, allowing marginalized groups to have a voice in governance.
- It helps in addressing historical injustices and providing opportunities for historically disadvantaged groups to participate in the political process. This leads to a more equitable and just society.

Enhances Decision-making:
- Power sharing promotes collective decision-making, as multiple perspectives and interests are taken into account. This leads to better and more informed decisions that reflect the diverse needs and concerns of the population.
- It encourages deliberation and consensus-building, which can lead to innovative and creative solutions to complex problems.

Prevents Tyranny of Majority:
- Power sharing mechanisms, such as federalism or devolution of power, prevent the tyranny of the majority by protecting the rights and interests of minority groups. It ensures that decisions are not solely driven by the majority, but also consider the concerns of all citizens.

Encourages Accountability and Transparency:
- When power is shared, it becomes more difficult for those in authority to abuse their powers without being held accountable. Different power centers can act as checks and balances on each other, ensuring transparency and reducing corruption.
- It promotes a culture of accountability as different actors are responsible for different aspects of governance. This leads to greater responsiveness to the needs and aspirations of the people.

Conclusion:
Power sharing is desirable for several reasons beyond moral and prudential justifications. It promotes political stability, fosters inclusivity and representation, enhances decision-making, prevents tyranny of the majority, and encourages accountability and transparency. By distributing power among different levels of government and various social groups, power sharing contributes to a more harmonious, equitable, and democratic society.