I don't know any other way to answer your question.
If you want to believe the worst about the mother, so be it.
I just cannot imagine what this family has gone through over the years watching this happening to their daughter and having so little control of her destiny.
I cannot imagine the emotional toll on this family.
I can understand how momentary emotions might play into comments such as these.
I was really taken by surprise when I heard on FNC today that the headstone indicates she died in '90. Unbelievable. My wife even did a second take on that.