If they are done well, they can be really lovely.
On the other hand, McDonalds sell a 'version' as well. You do the math.
(
J Peasemould Gruntfuttock Alpha Mike Foxtrot,
Thu 31 Mar 2011, 9:22,
archived)
That would be the reason, then.
That and the 50/50 ingredient split of Dog Turd to Plaster of Paris
(
J Peasemould Gruntfuttock Alpha Mike Foxtrot,
Thu 31 Mar 2011, 10:22,
archived)