It used to mean something to me as a kid, a magical night of freedom to roam the neighborhood and... collect candy, but first it was the freedom.
The history of Halloween is fascinating. A Pagan Celtic Festival,
Samhain combined with Roman
Feralia and
Pomona celebrations. Massaged by the Catholic Church
All Saints Day to sell to The Pagans.
And these traditions came from Europe, and was first most popular in the Southern States, but this article credits millions of Irish immigrants for really helping it take off in popularity, where it subsequently transitioned into a secular holiday at least according to this article:
Halloween originated with the ancient Celtic festival of Samhain and is now a worldwide event. Learn more about Hallo...
www.history.com
Now regarding marketing, what really irritates me is mid Oct and the local building supply store is full of artificial Christmas trees and decorations.