Having Too Much Fun In Afghanistan

Our troops who are stationed in Afghan deployment hubs are to no longer be allowed to have fast food (except coffee and doughnuts for some reason).  Why?  Because 'they aren't there to have fun'.  Did Burger King actually figure out how to make hell fun? I love whoppers but I have never felt I was having fun because of one. 

If some idiot signed a contract that meat patties would make it to the base before bullets, I can understand why you would crush the idea.  But to give the troops a taste of home and then decide that is too frivolous and happy making...