"I will probably also be meaner to everyone who gets me on the phone in the future during an emergency. I was trying specifically to not do that, but I suppose it's helpful to be mean when your medical equipment is failing."
advocating for yourself is not being mean
No, but it feels that way if you're an agreeable people-pleaser. (This is, of course, a bad habit, but it's a common one, and it's not one that merely acknowledging will divest you of.)