In my view, yes. It would allow you to extend you shell easily, for example do something with the history, like setting a blacklist for commands that should not

In my view, yes. It would allow you to extend you shell easily, for example do something with the history, like setting a blacklist for commands that should not appear in the history when using the up key, but still retaining the execution of such a command in the history for poor man's auditing.