There is a reason that the weak are drawn to snark while the strong simply say what they mean. Snark makes the speaker feel strength they know deep down they do not posses. It shields their insecurity and makes them feel like they are in control. Snark is the ideal intellectual position. It can criticize but it cannot be criticized.
Trust Me, I’m Lying: Confessions of a Media Manipulator
[This is a bit of an oversimplification. You can say what you mean, have a strong position, and still be snarky. But in many cases, as exhibited by the endless cases of Markley’s Law, Holiday is absolutely correct.—Joe]