After decades of slow, uneasy, but steady cultural assimilation, Mormons appeared on the brink of cultural acceptance by the 1970s.

Source: https://time.com/6315969/mormonism-history-america-essay/

Isaiah, their mother, Rachel, and his first wife, Sally, and went to work“bleeding the beast,” which was the cult’s catchphrase for ripping off the government as reparations for what they believe is the mistreatment of polygamy-practicing Mormons.

Source: https://www.lamag.com/citythinkblog/l-a-gas-tycoon-mormon-polygamists-face-sentencing-for-1-billion-biofuel-scam/

It's worth noting that a large percentage of Utah's population are members of the Church of Jesus Christ of Latter-Day Saints, commonly known as the Mormons.

Source: https://kgab.com/survey-ranks-wyoming-as-the-fourth-booziest-state/

That may account for why Americans view atheists has moderated somewhat and why Muslims and Mormons are viewed less favorably.

Source: https://www.christiantoday.com/article/americans.prefers.jews.catholics.and.mainline.protestants.over.evangelicals/139970.htm