That sounds ripe for misuse and kind of schizophrenic with the different behavior based on the name of the attribute. You should pick one behavior(throw an exc

That sounds ripe for misuse and kind of schizophrenic with the different behavior based on the name of the attribute. You should pick one behavior(throw an exception) and apply it everywhere. If you want quick prototyping features, then make that something you include with a gem or something, don't let it infect the framework.