There is already a captcha when you create accounts. There is no high-volume spam (ai or otherwise) on HN, so captcha won't help, low volume captcha can be far

There is already a captcha when you create accounts. There is no high-volume spam (ai or otherwise) on HN, so captcha won't help, low volume captcha can be farmed out. Humans are the best defense against low-volume spam. So flag these posts!