Up until Hill’s last appearance outside Chels’s apartment, they were all pretending that she was fine. No reason to show Bill rushing to her side in that circumstance.
And as others have said, bad optics to have her Islamist honeypot show at the 9/11 site.
Why didn’t Chelsea walk out with her? They are a very strange family. And Hillary reportedly playing with her grandchildren with pneumonia? I know we Americans are stupid but come on.