Second, I don't necessarily disagree with what you call "a good testing practice." Seems pretty reasonable to assume that writing tests for what is most brittle is a good idea.
Third, you missed part of my point (and the impetus behind why I wrote that post). This might not have been a point that you even felt a desire to address, and I don't fault you for choosing to focus on other parts of the discussion. But I want to reiterate: I'm not anti-test; I'm anti-hype. I get annoyed by people who "slavishly follow test-centric practices for 'cargo cult' reasons rather without any introspection over what they are trying to accomplish." But ultimately what one group of people decides to do really doesn't matter that much to me. However, I am incredibly frustrated by the extension of the mentality that if I don't subscribe to TDD or 100% code coverage that I'm somehow a lesser human being.