Costco haz cheeseburger? How does it compare to Shake Shack?

I love Costco. I love the free samples, getting great deals on quality products in bulk (nothing is sexier than saving), and the food court. From the creamy and savory Chicken Bake to $1 churros, Costco food court is a reliable value that holds a special place in many people's hearts. Recently, there have been changes to menu: addition of an acai bowl and a vegetarian al pastor salad, removal of the chocolate froyo, and maybe the most outrageous- the removal of the polish dog about a month ago. (literally five people sent me articles about the polish dog being gone ). Another addition is a " Shake Shack " copycat burger being tested out in a few California locations. One of the locations happened to be closeby a Yelp event I was attending (in Folsom), so I finally made the trek for this Shake Shack copycat. (spoiler alert - 76% of y'all were right) First- as a Californian, In-N-Out will always definitely be a much better value than Shake-Shack. But Shake-Shac...