> They have a tendency to write really slow code and don't have a clear idea of the execution model behind what they write down. Of course, this isn’t unique t

> They have a tendency to write really slow code and don't have a clear idea of the execution model behind what they write down. Of course, this isn’t unique to Haskellers. ;) Granted, reasoning about performance in Haskell is still a relatively young art, and there aren’t many of us who are experienced with it.