There is no fooling going on because God is said to have promised to respect and validate these kinds of hacks, a form of devolved governance to the rabbinical

There is no fooling going on because God is said to have promised to respect and validate these kinds of hacks, a form of devolved governance to the rabbinical law if you will. And a more conservative approach indeed does not distinguish between the word of G*d and the word of the rabbis but it is far from universal even among believing and practicing Jews.