I'm not particularly attached to that metric, it was mostly just an example of "here's a probably-cheap hack which could help remedy the problem". On the other hand, I'm not convinced that one post means that a "Automatically promote after a score of 10" policy wouldn't improve the overall state of affairs, even if that particular post is a net negative.
Well, if the general idea that Main-blog posts are a good read per se, even without reading comments or any Discussion threads, I'd say that of 13 posts in the list, there are:
Low Hanging Fruit -- Basic Bedroom Decorating
Expertise and advice
A Protocol for Optimizing Affection
Information-coveying medium-length posts liked by community
Only say 'rational' when you can't eliminate the word
The rational rationalist's guide to rationally using "rational" in rational post titles
Very relevant in Discussion, out of context in Main
...Short Primers on
If it's worth saying, but not worth its own post, even in Discussion, it goes here.