When Mammon is no longer the popular god served by man, government will assume that role directly.
Of course, salvation will only be realized when man's faith is truly in God.
In the long-run, freedom only results in social harmony ("general equilibrium") and maximum happiness for all ("Pareto optimality") if people abide by the Golden Rule. This contradicts the false religion of selfishness (read: economic "theory") practiced by homo economicus in modern secular society (see yesterday's episode of NOVA).
IMHO, if love for one another is not the organizing life principle of man, then, in the long run, there is a catastrophic collapse of civilization and what emerges is a totalitarian police state to maintain control.
Is tyranny in the form of a false 'kingdom of god' the way to cure the insane historical cycles of collective sinfulness and sin's consequences?
I personally don't think so.
Maybe Christ was making an important point about social organization.
"Men must be governed by God, or they will be ruled by tyrants." - William Penn
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