The nurse had previously been told not to bring her religion into her working day. She disobeyed that order. What are her superiors to do? Allow her to continue with her behaviour?

She says that she found it more and more difficult not to offer the prayer cards. Why? That would seem to be a failing on her part and maybe a reason why she should not be doing this sort of work. Suppose that it was someone who smoked and made that excuse for having a crafty one in someone else's house? I doubt that anyone here would accept that as a good reason.

Whatever she did, it obviously made this elderly patient feel uncomfortable enough that she felt the need to comment/complain about it. That, to my mind, is sufficient reason for action to be taken. The main reason why this is such a big event is that it involves religion. Take that out of the equation and this would just be someone not abiding by the rules of her employment.