Just because American law guarantees freedom of religion doesn't mean people will forever cease their efforts to destroy what they do not understand or believe.
After Joseph Smith was murdered, Mormons moved to open territory where they could practice their religion without interference. They traveled to Utah. The link takes you to a picture documenting their journey in 1846.
The impact of theological correctness in the Old World differed vastly from its effect in the new. Those differences stemmed from the absolute right, established by law, of religious freedom.
Without that right, those in control are predisposed to impose their will on those who are not in control. With that right, all people are free to practice their own religion and, if the right to do so is infringed upon, the law provides a cure.