Ah its from XKCD (feb 2025), bit odd of the OP not to mention that

I think this might be more coincidental than derivative.

	▲	sim7c00 4 days ago \| parent [-]
		scream ciphers. a bit like back when we invented fire :p

OP here, I either didn't know or completely forgot this XKCD existed and it resurfaced as a good idea haha! Time to update the post lol