First of all, I use words incorrectly. Usually it is because my brain misfires and I say the antonym of the word I need to use because I’m thinking about the contrast as I talk. However, it is a mistake. There is something else that happens frequently today: using the opposite meaning of words on purpose, and the reasons are pretty nefarious. Take a look at this:
How the Left Distorts Language: Andrew Breitbart is a Racist