[If you don't know what Letter VII is, go here.]
This means these scholars and educators will continue trying to persuade people that when Oliver Cowdery wrote it was a fact that the final battles of the Jaredites and Nephites took place in New York, Oliver was merely speculating. They know that if there is one Cumorah and it is in New York, everything they have been teaching students for decades about Book of Mormon geography is
When you consider the claims of the Mesomania scholars and educators, remember that when he wrote Letter VII, Oliver was the Assistant President of the Church. Of course, he had recorded most of the Book of Mormon, interacted with angels, was the only witness besides Joseph Smith to critical events, and a few months later would, with Joseph, receive the Priesthood keys directly from the Savior, Moses, Elias, and Elijah.
These same Mesomania scholars and educators who claim to know more than Oliver Cowdery also want you to believe the Joseph Smith, who helped write Oliver's letters and endorsed them multiple times, was also speculating. Worse, according to these scholars and educators, Joseph misled the Church for a hundred years until the scholars came to the rescue with their two-Cumorahs and Mesoamerican theories.
When you read what the Mesomania scholars and educators write and teach, be sure you understand their motivations. I have no doubt they want to build faith and share their knowledge, but unfortunately, they also have a strong interest in perpetuating the theories they've advanced for decades.
*I credit Scott Adams with framing a completely different issue this way here.