As a point of note, there's research on this topic. Comments influence/bias how people feel/think about the content they read: http://blogs.scientificamerican.com/a-blog-around-the-clock/...
You're not just getting landscape, you're getting the messy human battlefield of human opinion (sometimes for better, often for worse).
Personally i wish there were a plugin that would prevent voting until you've opened the link and spent at least a minute on page :P