User blog comment:SeddieNumberOneFan/Important, un-answered questions./@comment-3213933-20110603205701/@comment-3419321-20110604042401

Along the same lines as # 1 ...

Parents will spend 364 straight days warning their children never to accept candy (or anything else) from strangers ... and then, on October 31, they will march their kids around to dozens of houses of people they don't know and cheerfully tell them to take whatever these people hand them.

... Makes perfect sense to me. ;)