you are correct of we suppose we are at a global optimum. however, consider this example: i have two hands i have 2 hands these sentences communicate the sam

you are correct of we suppose we are at a global optimum. however, consider this example: i have two hands i have 2 hands these sentences communicate the same thing but one could be a watermarked result. we can apply this equivalent meaning word/phrase change many times over and be confident something is watermark while having avoided any semantic shifts.