I've picked up take-out a few times from Jade. To start with, my rating is based solely on the food. I've always found the quality and portion size to be better than average. I would have given 3.5 stars but my ipad won't allow it. I would put Jade on par with Kam Han (food wise).
I'm not sure why it takes such a beating in the ratings department on Yelp. I've always found it to be pretty good..... At least as good as the other Chinese restaurants in Calgary with higher ratings.
With that said, the remainder of the business could use some work. The billing / discount system is odd.... I imagine Revenue Canada is missing out on a few bucks. Customer service techniques could use a touch up as well...... I likely wouldn't dine in either; it is time for a bit of a renovation for sure.......
Bottom line however, when the craving hits for some good old western Chinese food, Jade will get you through it.....(just pick it up, ignore everything else and get out).