What's wrong with it? At least they used zip ties to make it neat and appealing to the eye.
Seriusly though, That looks horrible. I guess they didn't feel it was neccesary to connect the pipe to the can.
It also appears one of the grounds is phased black. Or is that a Black phased Green? It's kinda hard to tell on my CPU.
(If that's the kind of work being done out there, I'm gonna make a fortune!)
Philip