In contrast consider this quote:
Fairy tales do not tell children that dragons exist. Children already know that dragons exist. Fairy tales tell children that dragons can be killed.
The quote is actually considered by the end of the article:
"To paraphrase G.K. Chesterton, Scooby Doo has value not because it shows us that there are monsters, but because it shows us that those monsters are just the products of evil people who want to make us too afraid to see through their lies, and goes a step further by giving us a blueprint that shows exactly how to defeat them".
A great column by Chris Sims at the Comics Alliance.
Excerpt:
Tim Minchin fans may recall him mentioning Scooby Doo in a similar light in his beat poem Storm, and it's been brought up on Less Wrong before.
When viewed in this light, Scooby Doo really is like an elementary version of Methods of Rationality.