The child is better off without their bio parents in extreme circumstances. Like you wouldn't want rozy raised by a ralph and pantsu that'd cut her up and fry her. There's obviously some limit where "mom dad, am I adopted" is a far better result than "mommy is a pedo pickme who's trash boyfriends keep trying for a mommy daughter threesome before I'm even five and my first memories are her letting some pig man throw bugs at me and call me a worthless bish who should go out and earn him some fuggin money already and crawling in my own filth"I can only speculate that if they had a car seat she would use it. Rozy would wear new clothes if they had them. They would eradicate the bugs if they could.
I'm sure at every turn Ralph said "whah would ah waste mah hard earned cash on thees bullshit? Ah work hard erry day. Ah deserve some relaxayshun", and then buy a case of beer and some xanax.
I don't have any evidence that anyone was withholding anything from Rozy except for Ralph, who everybody knows is a toxic waste of life.
I'm not suggesting that May is a good person, I'm only suggesting that maybe if she goes back to Harry they could salvage Rozy's future. I don't accept that a child is better off without parents. Ideally a stable married couple, but failing that at least a stable father or father figure. Regardless of how May turned out, its clear that Harry is the best choice of a father figure in 'tha sektur'.