No evidence. But we don’t know for sure she didn’t talk to her family or friends outside work; or if she’s the kind of person who does open up like that. Some people don’t share their worries.
She seems quite obsessive - all the googling of people - either that’s because she’s guilty and fascinated by the consequences of her actions - or she’s anxious and obsessive and thinks about her patients and potentially her interface with them long after.
I don’t disagree the comment sounds disengaged but it’s not clear what’s going on behind it.