You just can't talk to some people. It's maddening at times, but I'm loath to start responding to lame personal attacks by lobbing some of my own right back. I aspire for a higher level of interaction with my fellow humans, where rationality and critical thought completely blot out nescience and categorical conventions. Intelligent people should readily recognize it's far more productive to concentrate on the flaws in ideas, than on the personal flaws of those individuals whose beliefs contradict their own.
Rifling through that bottomless junk drawer we call the Internet, I discovered this:
…which inspired me to come up with this: