But then it's just as valid to write a bad review about a McDonalds restaurant your group of friends decided to go to, because the wine selection sucked.
As I mentioned before - there are unreasonable customers with a chip on their shoulder.
Let's instead imagine some similar non-chain place called O'Brien's. Would it not be useful, when deciding whether or not to go to O'Brien's for dinner, to see a bad review saying, "I didn't like this place, all they had was burgers, and no booze"?