In such a world, the government could never be overthrown.
All governments go bad eventually, so the ability to overthrow is critical to prosperity.
Government's are either overthrown internally (revolt, uprising) or by external parties (invasion). A worldwide everyone-knows-everything would prevent both.
What would prevent a bad government from being removed if everything about them is also known? Note this is 100% availability across the board, so the governed would know everything about every potential member of government, which means if they said anything that the many disagreed with at any time, they'd simply be excluded from future candidacy, never gaining the political power/recognition in the first place.