What's The Harm?

Believing in supernatural seems harmless, and most of the time it probably is. However, it can turn ugly, even deadly at times, and our daily tolerance of it makes it possible.
We pass by roadside psychics every day and most of us pay no attention to their shady business, but the harm, usually financial, but sometimes physical, they extend to gullible and needy people is real and can have devastating effects on individuals and families.
As an example, check this story from St. Petersburg Times:

The Florida family claimed to confer with gods, spirits and even Michael the Archangel to cure diseases and break curses, asking for and accepting jewelry, gold coins and luxury cars in return.

Whole story: Fortune-telling Florida family scammed victims out of $40 million, prosecutors charge