This is for those people who hate ads, especially from those companies who try to make you think you can't live without their product, or make you think that you're somewhat mentally defective if you decide not to believe everything they say. It's also for those who object wearing clothes that advertise a product (great advertising for free, guys, good going) making you think these companies are doing you a favor by letting you wear their logos.
False Advertising is irreverent, and makes you feel a bit illicit by looking at these parodies. Fun, but somehow, it succeeds in making you think about how we get brainwashed.
My favorite is the Chevron one.