And now all your Elixir case clauses, in order to be "protected" and as something that will grow into "best practice", every lhs of `->` will have to be pinned

And now all your Elixir case clauses, in order to be "protected" and as something that will grow into "best practice", every lhs of `->` will have to be pinned (use `^`)... How is that an improvement from, say, copy/pasting code^W^W knowing what you are doing when introducing a variable? I mean, your functions are not meant to be too long anyway. Oh and happy-case programming gets also noisy now, since you have to put pins everywhere (or bad state will propagate).