Dunkin Donuts and Worm Composting--A Good Match!

There is at least one Dunkin' Donuts store (in Florida) that composts its coffee grounds, paper, and food waste using worms, right in the parking lot. Yeah, really! Here's more:
http://www.mothersorganics.com/about-us/081017-Dunkin-Donuts.html
I know for a fact that worms love coffee--as you may have read on this site, they seem to gravitate toward the used espresso we mix into the bin here at my house. So Dunkin Donuts isn't such a weird fit after all.
Here's a photo of the set-up.
I wonder how this arrangement is working out.