<<Why would I learn code? >>
How can you help learning code? It's in common use. Others use it, you hear it. Unless you're a total fucking moron, you understand what they're talking about. Maybe not the first time. Maybe it sails right over your head the first time. Then you hear it again. A third time. Somewhere along the road, you figure out that "a DC jury" means pretty much the same as "a Brooklyn jury" or "a Bronx jury" and not the same as a "blue-ribbon jury" or an "Orange County jury."
<<The only thing that the supposed existance of this code produces is the reversal of what I am trying to express.
What would the use of such a code accomplish?>>
Lets racists express racist thoughts hopefully without catching any flak for it.
<<I understand that such tricks might be usefull to a repressed social group, but why would anyone need such a thing without the repression?>>
Well, today, thanks to the liberals and the "politically correct" crowd, racists ARE a repressed social group. Now they have to call themselves "conservatives" and they can't even (excuse the racist pun) call a spade a spade. They're being forced further and further back into the closet, which is a good thing. Some prime examples are Sen. Macacawitz' forced reliance on arcane foreign slang where once the good ole American N-word would have done the trick, and Trent Lott getting hauled over the coals "merely" for expressing regret over Strom Thurmond's failure to win the Presidency.