Perhaps the request from the judge came in response the the fLDS women asking for their scripture, the Book of Mormon, to be brought to them.
The judge complied with the request. The fLDS and LDS have the same scripture, they same hymnbook, and share the reverence for early LDS Prophets, and so the judge rightly concluded that they would have more in common ways of worship than other religions who do not.
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Some people truly do not know the difference between LDS and Flds.
Others do, but they don't care if they mix them together, as long as it makes the LDS Church look bad.