Rhetorical analysis often prefers the establishment of a new meaning to mere repetition when an added expression really contributes information. But inserting kull into a negative statement does not automatically prove that a wholly new predication has appeared.
If kull truly expands the reach of an earlier judgment, the addition establishes something. If the judgment already covered every member, it confirms what was already there. The objection is to deciding solely from word order without first identifying the two possible meanings.
Semantic strength, the place of negation, and the addressee’s existing understanding all matter.