This is an old Steven Wright joke. It's fine to steal it and use it on your young relatives, but stealing it and giving it to a bigot is kind of shitty.
Also it flows better without the "already". It's supposed to be punchy and absurd. Omit needless words.


Rhetorical questions are supposed to make a point, and I'm asking you what that point was.
Now my question is semi-rhetorical because while you could answer, it's pretty clear that your question was just a phrase you saw somewhere that you're trying to use as an insult even if it doesn't quite fit the context.