See http://kolmafia.us/showthread.php?14365 for some background. Apparently if Mafia thinks it got an item other than what it requested, then it assumes that it got 0 of that item. If I'd run that command on a char with more than 20k meat on hand, I'd probably be unhappy, to say the least.
(one way of resolving this would be to use mall results to learn plurals)
(one way of resolving this would be to use mall results to learn plurals)