Hot car deaths

I don't understand how parents can leave their child in the hot car all day and forget they were back there.Thats not right,and it doesn't make sense.Aint no way I can forget my child as a parent no matter what I have going on.I f a person is that forgetful then maybe they should seek help!I suggest leaving your keys in the backseat with child.Most cars noways van still operate without the keys in the ignition  but you will need them to power off.So when it's time to shit your car down you can look in the backseat and realize your child in there also! We need to use our common sense me ore in these days we are living in. It's just sad!!