The best way to spot fake reviews is to look at the string of other reviews by the same reviewer. Often there are none. That, and the "copy-edited style" and vague positive generalities indicate a fake review.
It is possible, of course, for a shill to post fake reviews for many different clubs, and with a little training the faker could even learn to fake the bad grammar, misspellings, and acrid sarcasm that us "real" reviewers use. It is a damn shame that a club might get up among the top-rated clubs based on fake reviews. If I get to New York my number one priority will be to do a highly scientific study of the Hot Lap Dance Club. I have posted enough reviews by now I think you can trust me to be honest.
But of course the ambiance of any club can vary from one day to another or even different times of the same day. I can only report on what I see and here when I am there, and I encourage others who can get to New York City to do likewise. Warning: once you get there, the high entry fee of Hot Lap Dance Club will not be the only high priced item you encounter. Very expensive town.