In my experience it’s easiest for people to understand monads when they’re presented as an abstract data type (e.g. what I wrote at https://codon.com/refactorin

In my experience it’s easiest for people to understand monads when they’re presented as an abstract data type (e.g. what I wrote at https://codon.com/refactoring-ruby-with-monads#abstract-data-types https://codon.com/refactoring-ruby-with-monads#abstract-data...) rather than a programming pattern, because despite having “abstract” in the name, abstract data types are a relatively concrete thing that programmers already know how to use.