“So What’s the point?”
Your religion is demonstrably false. That’s the point. It was invented by pimps and whoremongers who openly denied the practice of polygamy in their own “holy” writ as they practiced it in secret, destroying lives in the process. Are you so shameless that you won’t tackle that little tidbit of fact?
“then you’ll be impressed about his lifelong testimony that the Book of Mormon was true”
He joined the Methodists, and was defeated from his political ambition due to his background in Mormonism, not because of his then present religion.
His reaffirmation of the LDS is also not proven:
“Cowdery is supposed to have affirmed his Book of Mormon testimony before a court of law while he was acting as a prosecuting attorney. “However, the claim rests on less than satisfactory grounds. The various accounts are inconsistent and some elements of the story troubling. In the earliest account, for instance, Brigham Young (1855) states that the trial occurred in Michigan, while George Q. Cannon (1881) claims that it was in Ohio. Charles M. Neilson (1909-35) inconsistently names Michigan and Illinois. Seymour B. Young (1921) fails to give the trial’s location. Presently there is no evidence for Cowdery practicing law in either Michigan or Illinois.” Dan Vogel, ed., Early Mormon Documents, 2: 468. The documents themselves are given at 2: 471-90. Two other associates of Cowdery in Tiffin, Ohio claimed that Cowdery never discussed Mormonism in public or in private.” Charles Augustus Shook, The True Origin of the Book of Mormon (Cincinnati: Standard Publishing Co., 1914), 56–57.
“So What’s the point?”
Where’s the “What difference does it make?” picture when ya need it?