There are quite a lot who argue that you don't need to buy those overpriced products. Of course, no one is forced to buy stuff.
But me/we as costumers who are potentially willing to buy products from Wizards in general (like booster boxes, precons or whatever) could get afraid that WotC just start to increase prices for 'normal' products as they please as well. Especially since Wizards recently seem to have an eye on making more money with weird new stuff.
In that case I would like to interfer as early as possible.