Blast From the Past

I think it's generally believed that so-called political correctness is a very recent thing. The term is fairly new, but I'm not sure the phenomenon it describes is. For ages, I've been searching for a particular piece of comedy that was already old when I first heard it as a child but that seems to be making fun of something very like political correctness. Today, my brother found it for me in the blink of an eye (that's what brothers are for). Here it is:

For those who don't know that sketch already, they probably remember Stan Freberg from this sketch, which I also love: