Originally Posted by docord
yes, however these votes are a good way to get an idea, the problem is you don't know the voters. even,even if someone has aced the exam,he/she has not tried all the books, so just votes for what he/she has used and what he/she has used, most likely has been one the classic proven ways, since nobody wants to be creative in this one-time exam (including myself). That's a market in which when you take a place, its very very hard for the new ones to replace you even if they are better or at least the same or near.
The most commonly used book (as verified by the poll) is certainly the best book, otherwise it wouldn't have got the popularity in the first place.
I disagree with you about the difficulty of getting popular in the USMLE market place. Take for example, the MTB-CK Book
, it was just released recently and now it's one of the most popular CK review books