The issue is that Haskell is inherently a language in which you're not programming anything that maps particularly well to the machine you're actually running i

The issue is that Haskell is inherently a language in which you're not programming anything that maps particularly well to the machine you're actually running it on. As a result, Haskell developers never actually talk in terms of what a program does on the machine, they talk in terms of what it does in their abstract model of computation.