Unless of course you're advocating that women who will have to put a child in daycare should have an abortion.
Your logic escapes me.
Abortion was legalized in this country in part because everyone fell for the "safe, legal, and rare" argument. It was argued that women would not have abortion for convenience-- no one would make such a drastic decision without a lot of contemplation. Well, 30 years after Roe we now know that in fact women do have abortions for convenience, without care and without thought.
In the past, we were scolded not to criticize women for their abortions, because "no woman would make this decision lightly." Now, this is changing. Shame is making a comeback, thankfully, because too many women do make this decision lightly, and for their own convenience.
"No-fault" divorce is part of the same scourge. Divorce is not rare-- 50% of marriages end in divorce! And most of them are initiated by the woman. The effect of divorce on children is tragic, and documented.
Now, as to your argument that we should not criticize divorcees because we cannot know why they chose the path they chose, that is utter bunk. 50% of marriages end in divorce, but few of them due to domestic violence. Before the advent of "no-fault" divorce, leaving your husband due to abuse was still a legal remedy.
You stated, "What if a woman's husband got drunk and beat the crap out of her every night? Is it okay for her to leave and put the child in daycare? Or should she stay and cover up the bruises just to be able to be a stay-at-home mom?"
To which I respond: The vast majority of marriages do not end because of abuse. You are using an extreme case to make a point, just like abortion advocates have. Abortion advocates have always used "rape" as the example: "Would you force the woman have bear the child of her rapist?" The proper response is, "Rape is very rare, and should not be the basis upon which you establish a general principle."
Domestic violence is rare and should not be the basis upon which we establish the general principle that divorce is harmful to children and bad for society.