" we should have done better" "we live with that every single day"
You absolutely do not, because if you did, getting onto a boat at all with that baby, LET ALONE without a life jacket wouldn't enter your head.
She must genuinely be lack brain cells, or is a psychopath, because she just doesn't seem to grasp that one of her children is literally dead from something preventable, and the same could've easily happened to the other. It's like she's apologising for leaving the fridge open again, not for something as horrific as she is! I'm honestly BAFFLED.