I don't think I can excuse abandoning patients, but not all caregivers are young and healthy; so some of them would have reason to fear for their safety, or the safety of those they live with, or not want to spread disease among their patients.

Lots of stuff went wrong, and it's tragic that Teknoman117's grandfather couldn't get discharged quickly. It would have been better to be at home without appropriate mobility care than to be in a facility without appropriate mobility care and an active outbreak.