I think that people that dislike monads mostly fall in one of two categories: those that know about a fancier alternative such as algebraic effects and those th

I think that people that dislike monads mostly fall in one of two categories: those that know about a fancier alternative such as algebraic effects and those that are scared off by an alien-looking unfamiliar concept. Those two groups are minorities in the set of all people that are even aware of monads.