Originally Posted by
jrhmdtraum
DMonkey: It is impossible to hold onto a kid on your lap if the plane hits an air pocket; no correlation with escalator (and no, we did not take kid in stroller on escalator as some turkeys do).

True, and it's also impossible to avoid being killed by a drunk driver for parents in this world who needs to travel but would end up driving because they can't afford a ticket for what would otherwise be a lap child.