I think my main shortcoming is probably that I haven't played a wide variety of RPGs, only a few similar ones. But I don't anticipate this really affecting mod duties all that much in most cases, since most moderation tasks (e.g. closing off-topic questions, reopening questions once they're clarified) don't require that much system knowledge.
I do believe I come from a different background than most of the mod team, but that's not exactly what you're asking. I don't think I personally know the mod team well enough to speak confidently about whether I can bring a "diversity of perspective" t…