If a similar system of incentives were created that strongly benefitted fathers in ways that fathers would respond to, we would probably see similar dysfunctional behavior from fathers.
1) It doesn't seem to follow from the paper. Which states that the wealthier partner tends to retain most of the married wealth.
> While the richer spouse redistributes some assets to the poorer spouse in the typical settlement, the amount of redistribution is smaller than the amount required to ensure an equal split of the assets. This empirical finding suggests that the <lottery winning> spouses in our samples may anticipate retaining a larger share of the prize money in the event of divorce
2) If the only thing keeping a marriage together is the lack of wealth necessary for one party (the woman) to adequately survive after the divorce, then this is not a stable marriage.
You seem to have come into this with an already formed opinion. Which is fine, but the opinion seems to be about circumstances not addressed by this study.
Intimacy matters to people.
Noone cared about alimony until women started having to pay and now there's suddenly a movement to remove it.
He who is being left usually has walked away first.