Wealth inequality broadly follows the Pareto distribution, which is natural and does derive from randomness. We could define fairness as a flat distribution and

Wealth inequality broadly follows the Pareto distribution, which is natural and does derive from randomness. We could define fairness as a flat distribution and redistribute accordingly, but that requires continual work to be done against the random Pareto distribution or it reverts. It's do-able, but it requires a long term consensus that doesn't currently exist.