Probably cause most folks down in Bama have brew kettles that also function as pot stills.
"In the Big Rock Candy Mountains
You never change your socks
And the little streams of alcohol
Come trickling down the rocks
The brakemen have to tip their hats
And the railway bulls are blind
There's a lake of stew
And of whiskey too
You can paddle all around it
In a big canoe
In the Big Rock Candy Mountains"