Book of Mormon stories and the Anti-Indigenous songs that grew from them

Colonization destroys culture, which is a form of genocide, as it seeks to “Kill the Indian. Save the man.”
 
Mormonism, with its Indian-fetish-fic alternate history (the Book of Mormon) and pan-Indigenous race theory (Lamanites), has altered Indigenous cultures in this continent and across the Pacific Islands (like the Church-owned Polynesian Cultural Center in Hawaii or the Maya Disneyland Richard Hansen is trying to build in Guatemala).
 
Here are three songs that address the ways Mormonism seeks to shape Indigenous, Lamanite, and US Mormon-settler identities.

This first one, I learned as a child.

Book of Mormon stories with its “Indian”-fetish stereotype hand gestures is straight outta Disney’s “Peter Pan”’s “What makes the Red Man red?” 
I’d learned and sang repeatedly as a group of children at Church regularly throughout my childhood.

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The second, Indian Tribes of Utah, I learned at Utah public school as a child. My peers and I sang it for our Utah Sesquicentennial Celebration children’s choir performance. Notice the ways this song repeatedly place Indigenous people in the past even as they still live in these "mountain valleys."

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The third (as far as I can tell) was created during the “Indian / Lamanite Student Placement Program” as part of a BYU program, called “Lamanite Generation” (later changed to “Living Legends”) which grew from the Placement Program.
(I personally don't think "Living Legends" isn’t much of an improvement as it perpetuates this “vanishing-Indian,” “settler-progress” narratives rendering Indigenous People as relics of the past--as Legends.)

The song, Go My Son, is Indigenous assimilation propaganda about joining the Placement Program to “get an education” and “make your people proud of you.”

The Placement Program, like all assimilation schools, discouraged Indigenous students from practicing their Peoples’ cultures as part of their efforts to Christianize Indigenous children, thus committing genocide by destroying Indigenous culture.
 
I don’t know for sure where this last song comes from. BYU Recordings claims it was written by Indigenous students at BYU. But a commenter on this last video says it’s an old Lakota song. and the video of the song performed at Grand Canyon National Park calls the songs a “Native American sign language song."

​Why is the Mormon church shaping Indigenous culture when their beliefs about Indigenous culture are white-settler-supremacist Indian-fetish fantasies?