It's hilarious to me that by writing an obscene fake children's book I am mistaken for a parenting expert.
When it comes right down to it, developing a critical sensibility about parenting isn't really about disapproval; it's about honing your own sensibilities, figuring out how you want to parent.
Sleeping is one of the more private aspects of parenting; it happens in a quiet room, whereas eating is a more public aspect of parenting. Other people can see it and compare it to what their kids eat.
We had a kid. The kid was awesome. She didn't fall asleep easily. We complained about it. We got frustrated. But we didn't look for an out. We just accepted that this was part of parenting.