Paid haskeller here. That feeling you describe quickly goes away when you use the language everyday. Once that happens, you can start weighting it as a tool.

Paid haskeller here. That feeling you describe quickly goes away when you use the language everyday. Once that happens, you can start weighting it as a tool. And overall, my assessment is that purity and practicality are not competing aspects. I would say that purity conttibutes to the practicality of haskell.