Boston restaurant wages all-out Facebook war on unhappy customer

From the Facebook page of Boston's Pigalle restaurant:

According to Eater, this was the initial response on Facebook (now deleted)

Interesting social media approach. But it continues:

This exchange, at least, is hidden in the "post by others" view of Pigalle's Facebook page. But then "Marc , the dishwasher" goes and posts about it, to ensure that it goes out to the followers:

 And my favourite response:

Unbelievable. As I mentioned to my wife when I heard of an even worse case of restaurant revenge here in Ottawa, if they have this much contempt for their customers, imagine what goes on in that kitchen?

According to their page, Pigalle is owned by Executive Chef Marc Orfaly and General Manager Kerri Foley, and it was voted "Best Romantic Restaurant".

UPDATE: All relevant FB posts have since been removed by Pigalle.

UPDATE 2: The Apology