First off, I need to qualify the 2 stars for food and service -- the review guide tags 2 stars as "decent". Neither the food nor service could be considered decent, but they don't quite deserve the lowest rating.
The reality is that sometimes the food and service are good, usually they are poor. For example, I go there alone, order pizza, and quite often when I get it, it's cold. How can that happen? When it's done, what are they waiting for? Just bring me the damn thing. On those occasions when it comes hot, you never know if it's Dr. Jekyll or Mr. Hyde who's running the kitchen.
The service is another common problem. Because of the way the restaurant is partitioned, I think they "lose" customers very easily. There have been times when I've gone 15 or 20 minutes without seeing an employee. They're very slow to get you the bill when you're done.
The "poor" rating for value is a function not so much of the cost of the food but of the time you're going to spend trying to get out of there and, on occasion, the time you're going to spend going somewhere else to get a meal you can actually eat.
I know of no restaurant in the Lower Mainland that is more desperately in need of a visit from Gordon Ramsay's Kitchen Nightmares. Lot of potential there, and it was once a great place to eat, but those days are long gone.