That's the whole idea - any of these ratings or all of them are totally subjective. Anyone can rate something high or low depending on their needs.
When I learned about epub-library loans I did go checking and found a long waiting list for limited copies of a few books. Being the somewhat instant gratification person, I decided to go for the K3 anyway and forgo library books and their potentially long waiting list. I have not rated the k3 - I have rarely rated anything but I do read ratings. I skipped a battery powered (or underpowered) leaf blower recently due to ratings.
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