It's one thing to complain about cold, soggy food, but it's another to go on a longwinded rant about a menu item that doesn't even exist.
And now, with Covid restrictions turning many to online deliveries, the demand for orders is at an all-time high.
No one wants a disappointing food delivery - and many out there feel the need to let others know.
Comments on review pages are not just viewed by other potential customers – staff see them too, and lots choose to respond.