Often the children who end up blaming the mothers don't know her side of the story. How, in most cases, in a misguided way she thought she was ultimately protecting the children
and often the children do know the full story, but the mother saying "well I stayed because I thought that was best for you children" is just her way of protecting her self image, deflecting blame, refusal to admit she could have and should have done way more to ensure the safety of her children.
I am not saying I don't believe every single woman who comes out with this line, some might be genuine, but I don't believe a lot of them as protecting ones self image is a powerful coping mechanism.
How do you feel about your fathers? Which do you blame the most?
I already said I find the abusive fathers in these situations more to blame, but it is very hard to put a figure on it. I don't think it's 50-50, no. But I also don't think it's 90% the father, 10% the mother either.
Like Fringehead above said, her brother knew nothing else but the abuse, was born into it and knew no other way of living, he was a child and was scared, he had nothing on his side, not even the credibility/believability that adulthood brings, yet at 13 he still managed to stop the abuse. I don't think any of us would deny that Fringehead's mother didn't have all the tools available to her that an emotionally well adjusted woman would have at her disposal, but she sure as hell more tools available to her than her 13 yr old son had. But he still managed to do a better job with his tiny tool kit than she did with her better kitted out one.