If Haskell is the Cure, what is the Disease?8-)) Haskell occupies a niche similar to Hamilton's quaternions (for classical physics) and Heisenberg's matrices

If Haskell is the Cure, what is the Disease?8-)) Haskell occupies a niche similar to Hamilton's quaternions (for classical physics) and Heisenberg's matrices (for quantum mechanics) - not mandatory, inaccessible to the masses and abandoned with haste once a more intuitive tool is found. But they will always be there if you need them.