I think the authors of "The Best" and "The Worst" are both right. In fact, pretty much everything I own is either "the best" or "the worst" -- no middle ground. I identify the very few things that really make a difference to me (my laptop, my stereo, my kitchen pots & pans & knives, my jeans) and buy the absolute best I can afford. And I identify the things I don't really care about (the rug, the chairs, most kitchen…
It is very easy to find a situation where they are wrong that most HN readers can understand: CPUs.
The cheapest and most expensive CPUs are usually the worst in terms of Performance/Price.
This pricing scheme affects many items in life.