> That is correct. However, in Haskell you need a lot of discipline to guide a big project in the right direction. Maintenance can quickly became a nightmare due to very dense code.

Have you worked with Haskell professionally? Your observations do not match my experience of approx. 3 years of professional Haskell development across 3 different companies. Guiding the growth of Haskell codebases is trivial compared to Python, which is the other language I have professional experience of.