Cool!
That's what I'm hoping, that the thought of someone else costuming them may worry them enough to make the effort themselves. And if they don't have the $ to buy a costume they may think that this is a good way to get around spending money for one. Since that seems to be so many people's reason for not dressing up!
It is a vampire theme this year so if they are too lame to make a black garbage bag cape and wear a pair of 50cent fangs then they deserve what they get!
Bwahahahaha!