Ordinarily I find Miss Snark's blog amusing and somewhat helpful. But yesterday I was surprised to see her post a query letter from a small press author, complete with the name and identifying details (title of book, publisher, etc.). She invited her readers to critique it (and most of them are gleefully tearing it apart).
A query letter to an agent is private correspondence, and I would be extremely dismayed to have a query letter I wrote to an agent or editor posted out on a heavily visited blog for everyone to see. I'd be even more dismayed if the agent invited everyone to make fun of my query. That's not just snarky; it's unprofessional.
I don't know who Miss Snark is, but I'd like to find out, because I am now certain I don't ever want to submit any of my work to her.