I did. Enjoy your bunker.
You may consider this a rhetorical question, then. How is what she did any different from hiring a babysitter without doing a background check?
She’s a big girl, she can run through that park wearing only glitter pasties and a feather duster, as far as I’m concerned, but she is responsible for her child’s safety. She’s only lucky, and so is her baby, that her attacker was one person and not inclined to employ a knife.
If you don’t see that, I can’t help you any further.