How do you treat reviews as a measure?
A review counts if it names the dish, the shift or the neighbourhood, not if it adds one more star. The number of reviews is not chased if none of them mention what you are advertising.
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Read the last ten and underline whether they name the service you want to move. Reviews are asked for in exchange for a freebie and they talk about that, not about the venue. A note of how many reviews that month name the dish or the shift, and how many do not.