> we do sometimes turn captchas on for logins when HN is under some kind of (possible) attack I don't think people are disputing the necessity, just the mechan

> we do sometimes turn captchas on for logins when HN is under some kind of (possible) attack I don't think people are disputing the necessity, just the mechanism used. The other services (hCaptcha) are effectively drop-in replacement with minimal code changes.