Oh no, turns out Ubiquitin’s Law of the internet already exists.
It is known as Skitt’s Law “”any post correcting an error in another post will contain at least one error itself” ( which apparently is an online version Hartman’s Law of Prescriptivist Retaliation: “any article or statement about correct grammar, punctuation, or spelling is bound to contain at least one eror”.
Which brings me to Ubiquitin’s Law of the internet 2.0: Any clever aphorism has already been stated