>It seems that the grandparent comment is starting from the premise that god exists and looking for evidence to support the conclusion they already hold.
it seems that you are assuming anything affirming God must be irrational and therefore state that I must be approaching this irrationally. And your comment seems to come from a lack of familiarity with the history and writings in question (i.e. it's not just oh let's not eat pork because those people get sick)
I encourage anyone who finds the concept interesting to check out this book:
Some modern physicians wrote a book about this called 'None of these diseases'
To me the rational conclusion given the information above is that those laws really did come from a source of knowledge higher than the totality of human knowledge at the time.
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