We live in a capitalist society where the value and price of any given commodity will be directly determined by the interrelated concepts of supply and demand in that the more readily available a particular resource it is, the less it will cost the purchaser and the converse is also true which is why gold is far more expensive than the likes of coal.
With the availability of multiple images offered by today's technology you will never be at a loss for finding the image you want. If you can't find the exact image you are looking for you may be able to find somebody who would be willing to create one for you and a new creation will be born! Next time you are looking for a coloring page for your kids take a quick look at what is available right at your finger tips from your computer. With just an internet connection you will have limitless resources to entertain on those rainy days.
In the context of Winnie the Pooh coloring pages, many parents are a little hesitant to purchase them on the basis that they are a finite resource, in other words, once they have been colored in they will no longer provide any (or at least the same) degree of entertainment and pleasure as they did previously. From a economic/capitalist perspective, such concerns are perfectly understandable, although like anything else in the world, in order to reach a more balanced and accurate conclusion it is necessary to consider all of the different variables that are in play.