While I definitely think that she should have been given another chance (yes, I'm aware that she was previously warned, but as a Christian, I believe in giving people several chances), I also believe that her approach was a bit unwise. As Christians, we are called to spread The Gospel, it's true, but we are not called to force people to listen to it against their will. Neither Jesus, nor the apostles did this. We should always approach people politely and ask them whether they feel comfortable with you addressing the topic of religion. It has become quite difficult to do this lately, as even asking someone if they believe in God is considered too personal of a question, and some militant atheists are quick to play the victim card in most situations. The nurse should have casually mentioned to the patients that she was a Christian, and abstained from making any further religious comments towards the patients who made it clear to her that they were nonbelievers.