No, it doesn't.

What it seems to suggest more strongly is that the modern (capitalist in general and American in particular) destruction of the traditional extended support networks (both family and nonfamily) in favor of tiny, more mobile, atomic social units that are easier to plug in to places convenient for industrial needs is unhealthy.

Reverting to "traditional" gender roles in the modern capitalist family structure doesn't get you many caregivers (and especially not "personal attention from several caregivers in addition to their biological parents", as the paper points out seems to be important), reverting to an otherwise more traditional family structure even without reverting to "traditional" gender roles does.

In fact, in any family structure, not making child care part of an exclusive gender role gets you more caregivers, each with more time to recharge, but you need a bigger support network, not just different roles within it, for what this article is discussing. To borrow a phrase, "It takes a village..."

Women in the past did not spend virtually all their time caregiving. That isn't even an option until a society has reached a high level of affluence and ease.

Women really should. The fact that women don’t want to is a entirely different discussion still pertaining to degeneracy.

Respectfully, I did not read it as this.

If anything, I read about how helpful it is to support parents and children, especially the parent that gives birth.

See how I said that without gender?

I understand it used the word mother. And child. But learning to read into and past something can leave valuable advice undiscovered.

Sometimes the partner that doesn’t give birth can’t fill the gaps no matter how much they do. They should never stop trying, including seeking support. While it might not be every case, it’s not uncommon either.

Instead of taking this in a negative direction, we could say ask is there anything insightful there could apply to some or most parenting situations?

I’m starting to learn about the studies that are exploring how much postpartum can or cannot be affected by unconditional support that is not there to make the parents feel any less capable.

As a the non birthing partner, this approach might have more of an effect of silencing conversation than was intended. It’s in the spirit of keeping the discussion open that I am responding.

Edit: typo, clarity