Well, sure it's easy to side with the Mormons if you blame Rome from the get-go.
The problem is that this writer -- and the Mormon church -- claims that the complete apostasy took place "not long after its formation" (meaning Jesus jumpstarting His Church).
(Elsewhere the Mormon church claims this occurred when the apostles had died -- so IoW, early in the 2nd century after John died)
The problem -- for your claim is -- that "The first bishop to claim primacy in writing was Pope Stephen I (254-257) Primacy of the Bishop of Rome
IoW, Rome didn't really "rule" with much of an authoritative hand -- other than Victor, bishop of Rome, attempting to end a controversy toward the end of the 2nd century.
So you blame Rome...but the Mormon church blames the church as well as those OTHER than the Rome-based leaders.
So...classic fail on your part history-wise -- to link up the two...
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All non-Catholic/Orthodox Christian churches teach this, do they not?
Nope not classic fail on my part. Classic fail on yours for ignoring my suggestion to do your own research and leave bias out.
The part of the article I quoted was the only one I agreed with. I am not mormon.
Since the council of Nicea onward the “Church” has added unto the gospel message. Don’t believe my words, believe the Messiah’s.