cases (nom/acc vs sub/obj)

Thomas R. Wier wrote, quoting Padraic Brown:

> > I'd call our cases nominative, genitive and dative/accusative.
>
> I wouldn't -- why make distinctions that aren't really there? Most
> modern grammars of English use Subjective and Objective today, since
> the objects of pronouns are never distinguished from the objects of
> prepositions.
I'd appreciate more info on this: What principles govern whether a
conlang's system is best described as nominative/accusative or as
subjective/objective?

My documentation chooses "nominative" simply because I figure this is
less confusing for a general audience. "Nominative" and "subjective" mean
roughly the same thing anyway, the former is more widely taught to
nonlinguists so there's a jargon factor, and the words "subjective" and
"objective" both mean something totally different outside of linguistics!

Is this a respectable decision, or am I misleading the reader?

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