I got those earliest-comment-stays-on-top upvotes, but no replies, and so the mystery of whether this is obvious and I am preaching to the choir, or this is a genuinely enlightening point, is not resolved :)
Just to be clear, Ralf Jung might be writing for a popular audience with this blog post, but is certainly a preeminent research of this stuff.
I guess I hope some writes a "back to the basics" blog post of this stuff at some point!