Your point's well taken. I'd say that there is a bigger issue in the case of flatMapping side-effectful monads because they're typically dealing with things lik

Your point's well taken. I'd say that there is a bigger issue in the case of flatMapping side-effectful monads because they're typically dealing with things like writing/reading from databases and the error cases should be thoughtfully considered (do I have to roll something back or perform compensating actions, or clean up anything?)