There is an argument that the spelling out of cases in which it would be illegal implies that they're okay with it in other cases. See https://en.wikipedia.org

There is an argument that the spelling out of cases in which it would be illegal implies that they're okay with it in other cases. See https://en.wikipedia.org/wiki/Exception_that_proves_the_rule#Original_meaning https://en.wikipedia.org/wiki/Exception_that_proves_the_rule...