How to criticize computer scientists, by Doug Comer. Containing the important observation that one should aim different types of barb at theorists and experimentalists, with useful tips for telling the two apart. I found the theorist parts most amusing, probably because the shoe fits.
This doesn't seem to be new, but it was new to me. Found via some automated web-scraper fake blog that for some reason gets through Google blog search's inadequate spam filters. I won't bother linking to it.