Jesus Christ was not a flawed man and He established only One, True Church.
I think she was talking about ordinary men. Christ was most assuredly NOT a ordinary man.
“.... and He established only One, True Church.”
Sorry, even the Orthodox have you beat on that one.
Following your “apostolic logic” (and I don’t), Rome is a schismatic sect from Orthodoxy.
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By the way, following the apostles means following the OT and NT. Nothing more nothing less.