Ideally, we would all give out healthy treats for the trick or treaters each year like fresh fruits, natural fruit 'leathers', natural licorice or small toys, tattoos, etc.
Realistically, kids like to get candy for Halloween. Since it's mainly women who buy, store and hand out all those 'fun sized' chocolate bars, they often fall into the sinkhole of overindulgence. Yes, I've been guilty of it too, although I have much more control than I did years ago.