First of all, that whole co-sleeping, FAMBLEE bed thing is pretty fucked up. It's just wrong on so many levels.
Secondly, she probably did the kid a favor. Sad as it is, what kind of life would the child have being raised with a drunk for a moo? Any moron should have known better.
I'm sure there's a whole sordid story behind this with the pahrunts both being incompetent idiots, drugs and alcohol abuse. They're probably even related.