Of course, ideally people see the child and do not hit it. When atypical incidents happen, we call them accidents, and when they start happening at rates we find unacceptable we often engineer solutions to make those accidents less likely.
This is why we have seat belts instead of telling people "you idiot you should have used the brakes!"
This is why we have seat belts instead of telling people "you idiot you should have used the brakes!"