If people get it wrong so regularly, what value is it providing as a concept? These concepts are supposed to help us reach something better, if you have to add 30 caveats to every part of it, all it did was hide its own complexity from you, instead of managing it for you.
Because the tree is a nice abstraction for some problems. But sometimes you need a collection of pure functions. Sometimes it’s best to think of your object as data blobs going through a line of map,filter,reduce functions. Not every part of your application is the same, use the right abstraction for the job.
