Religion is a feature of cultural evolution that, among other things, addresses anxieties created by cultural evolution; it helps keep social change safe from itself.

...human beings are a species splendid in their array of moral equipment, tragic in their propensity to misuse it, and pathetic in their ignorance of the misuse.

Actually, there is a sense in which polygynous marriage has not been the historical norm - even where polygyny is permitted, multiple wives are generally reserved for a relatively few men who can afford them or qualify via formal rank. For eons and eons, most marriages have been monogamous, even though most societies haven't been

God knows greed won't vanish. Neither will hatred or chauvanism. Human nature is a stubborn thing. But it isn't beyond control. Even if our core impulses can;t be banished, they can be tempered and redirected.

Giving men marriage tips is a little like offering Vikings a free booklet titled How Not to Pillage.

..various people had long had the feeling that gain through pain was nature's way

Corruption is knowing when something is not being done, knowing when the American people are being left unprotected and when you make a decision not to do something to protect the American people And you effectively allow 9/11 to occur. That is the ultimate form of government corruption-dereliction of duty. That's subject in the military to prosecution, to court martial. Frankly, if not treason.