

They might be generated for the purpose of creating adversarial images that appear relatively normal to a human but confuse AI image recognition. You can see an additional layer of weird patterns on top of them too.
IMO this is not a particularly annoying captcha though. I’ve had some where the text instructions are so indirect and strangely phrased that it’s not even clear what you’re supposed to do.







I think Aleister Crowley believed something similar.