The images are not actually the captcha. They’ve used other methods and tools to verify your authenticity, then they force you to help train their image recognition AI under the guise of it being the actual captcha. Its Distributed Forced Labor, and Google has been using captchas to do this for decades. Remeber the picture-of-two-words captcha? One word was always squiggly and the other was not. The squiggly word was the real captcha, the other word was from a scanned book and you were helping to train their OCR algorithms.