Indeed. Another article quotes his lawyer as saying "Zuckerberg has no intention of contesting any co-owner who can prove their interest in any of the land parcels."[0]

For some of us though, the historical context of the US invasion and overthrow of Hawaii means that this sounds quite distasteful, although reasonable.

[0] http://www.hawaiinewsnow.com/story/34289685/facebook-ceo-sui...