We need a Royal Family so we can have Royal Family weddings and all of the hoopla and consumerism that surrounds it. Have you seen some of the "commemorative" items for sale in celebration of the wedding of Wills and Kate?
You can have press on nails like these
The one I am most excited about is this one. Knitted figures of the Royal Family! Here's the link.
It even includes Her Majesty's Royal Corgis.