Right, nobody sees the captchas for the static CSS files either. I agree that doesn't make any sense. Besides being inconvenient and broken, "doesn't make sense

Right, nobody sees the captchas for the static CSS files either. I agree that doesn't make any sense. Besides being inconvenient and broken, "doesn't make sense" is synonymous with unpredictable. Hope this helps. You're making a distinction between their services. That's fine, I understand and disagree. As a publisher/developer, I wouldn't be interested for the reasons listed. Aside from that, for most new sites, I remove unused CSS, JS and inline everything into the document. Better pagespeed score this way.