title_body: Are there any well known coffee experts who have given any kopi luwak a positive review?
upvoted_answer: I like my coffee, have tried a lot of different varieties and roast my own, but I won't claim to be a coffee expert.
  
  I have had the opportunity to taste several (about 6) variations of kopi luwak from various sources in Indonesia and Bali. The quality differences in these are as big as with any other type of coffee.
  
  The factors that affect kopi luwak quality are the same as those that affect any other coffee. Namely, the quality of the coffee bean being grown, the processing of the beans, the roast and the storage conditions. Preparation is also important.
  
  The samples of kopi luwak I tried ranged from OK to horrid, but none of them would have been in the "excellent" category. All kopi luwak would perform very badly on the $/kg test - there's just no way that those coffees are so good that they can justify the cost based purely on flavour.
  
  So, to answer your question, this probably lines up with your research. Kopi luwak is special because of the story behind it, not because it is a fantastic beverage.