Andrej Bauer wrote a popular post in 2016 (Hask is not a category):
https://math.andrej.com/2016/08/06/hask-is-not-a-category/
Mathematicians are still thinking about this stuff.
A recent post by Mike Shulman, asking about Agda (Haskell for mathematicians):
https://proofassistants.stackexchange.com/questions/1887/cat...