Attila the Professor said:
It's not a matter of good or bad - it's a matter of the hubris and lack of shame that is demonstrated by daring to look upon God, as near as I can tell, and in disobeying the order not to touch the Ark.
That's EXACTLY what it is. From what I understand, the Ark is the power of God on Earth. Nobody could touch it because of this or they would be killed, good or bad. And you can't look for the same reason. Nothing to do with being good or bad.
This is Old Testament God yo.
But anyway. I don't think the Ark would have been destroyed if Indy fired the rocket. I don't think it could be destroyed so easily. What exactly would happen? It might have blown everyone down there to pieces leaving the Ark in pristine condition. Or maybe the rocket would avert away at the last second. I doubt the spirits inside would come out.
Then again. It might have been destroyed with absolutely no repercussions. As the Ark's existence really is not necessary anymore as far as I can tell... and if God so chose for it to be "blown back" to him I could see that happening. Afterall, it's just sand at first. That's all that's in it. The "power" of God appears afterwards. I don't think it actually "conceals" the power of God so much as calls upon it.
Who knows. But good question.