spongebob squarepants theory: the way theres writing under the water without smudging and becoming incomprehensible by the flow of water is that fish were taught to write smudged and incomprehensible in ways such that the water flow, by smudging it, would rearrange it into legible words
can you imagine how hard it would be to not only write words, but instead literally NOT write words, but rather write incomprehensible smudges in exactly the specific way that the water flow will alter into the words you wanted to write? this rules