I am fan of Adam Sandler and Chris Rock (comedian, not actor). I've watched all of Sandler's movies but lately his movies just aren't as funny to me. It's either cuz I'm growing up or there's a serious lack of quality control in his films.
I got the impression that the script was written in a weekend and then shot without testing the jokes.
There were LOTS of jokes but many felt forced or just went over my head. The family moments were forced and felt awkward to even watch. I cringed and felt bad for the actors.
I think the circle of friends have what it takes to make a great comedy, but I think they'll need to work harder. I know they can do better cuz there were a few Kodak moments in there - classic Sandler humor.