Guess how much jail time for - through a red light, wrong way down a one way street, crashes, takes one year old out of the car, reverses over it causing fractured skull and broken ribs, drives on and
I honestly can't think of another form of murder/homicide/negligence causing death, that results in almost no consequences for the one responsible.
Here in Canada, people will be charged with everything EXCEPT the death of the person killed. If they get charged at all!
A few years ago, a truck driver killed a cyclist in Toronto and got nothing for it. A $2000 fine, six months license suspension, and 100 hours of community service. That's what a life is worth.