[vidarh]

This makes no sense to me whatsoever. You're using these words to means things entirely different from how I use them. Going by your use of them, simulation theory can not be proven unjustifiable, because that would make it falsifiable.

[GoblinSlayer]

I don't have a rigorous proof that unfathomability implies impossibility, it's just a strong suggestion and demonstration that you incur a high risk of assuming an impossible thing into existence.