A little over a year ago, the Mormons pagans began calling themselves "Christians," something that no one would have imagined just a few years ago.
In that context, I recently debated a very sharp Mormon (PhD in philosophy and history). I argued that his religion (I avoided calling it a "Christian denomination") can't be historically traced back to antiquity; he countered that Protestantism can't trace a continuous line before Luther.
In the middle of the debate, he proposed this thought experiment:
—Imagine a distant, unreachable planet where no human religion ever arrived, yet by chance its dominant species developed a religion identical in every respect to primitive Christianity in its purest orthodoxy: same canon, soteriology, ecclesiology, sacraments, everything. Would they be Christians? What could you "reform" if everything is already orthodox? Any attempt would actually corrupt them.
I replied:
—Christianity isn't defined by a checklist of doctrines, since even heresies preserve some orthodox elements. Islam, for instance, affirms Jesus as Messiah, but that doesn't make it Christianity. So those alien pagans, assuming they had moral and religious awareness, would have to turn away from their false religion and join Protestant churches.
He then asked what would distinguish their "orthodoxy" from ours. I answered:
—Origin! Original Christianity is defined by its historical origin: specific first-century individuals. Since those figures didn't originate that alien religion, it isn't original Christianity, even if identical in content (note: this may sound a bit awkward in English, but the conversation wasn't in English, so the wordplay between original and originate felt natural and made my point clear, that "earthly Protestant Christianity" is original because it originates with the apostles).
He replied that this is basically a "papist" view:
—You're appealing to lineage (apostolic succession) rather than pure orthodoxy. True Christianity depends only on having perfect doctrine/practice, not historical pedigree. So, trying to "connect" those aliens to a lineage would actually corrupt a perfectly orthodox faith. And this is basically the kind of "originality" Catholics and Orthodox appeal to when they dismiss Protestantism and stir up "ecclesiastical anxiety" among its members. If you were being honest with yourself, you'd reform your own earthly denomination based on that perfect extraterrestrial one or even join it. But like many Protestants, you're still mentally tied to Babylon (Rome).
We paused there and agreed to continue later.
- How would you push back against the idea that this is basically "papism"?
- How can we as Protestants claim historical "originality" without turning into a poor imitation of Catholicism or Orthodoxy?
- And, fundamentally, would you join the extraterrestrial Church?