If you treat Leviticus as guidelines when stuck in a primitive area, it makes a bit more sense. One of the old (1890ish) US Army survival manuals is basically

If you treat Leviticus as guidelines when stuck in a primitive area, it makes a bit more sense. One of the old (1890ish) US Army survival manuals is basically Leviticus rewritten in modern terms. Technology and modern health and cleanliness standards pretty much make that section ignorable.