This is part of the problem. You don't respect her views. You call her a blind sheep for standing by her own views. You say you won't give up your feelings and opinions, but somehow you expect her to give up hers.

She asked you questions, it sounds like to figure out where you were coming from. It sounds like she didn't like where you were coming from so decided the friendship was over. It's one thing to say, this makes me sad, yadda yadda, but instead you insult her decision-making and her values. If that's the way you react, it doesn't sound to me like you two had a very good friendship to begin with.

I'm sorry you lost a friend over this. It's very hard to lose a friend over any subject whatsoever. I lost someone I thought was a good friend when I ended up rooming with her for a while and found out what kind of person she truly is. I have tried to use that experience as an opportunity for personal growth. I think you could do the same here.

It's also a thing to remember that she has to make decisions that she feels are right for her. So in a way, this decision isn't about you, it's about her. So, I guess I'm saying to try not to take it too personally, because people have to make decisions about what's in their best interest, just like you will make the ones that are in your best interest.

Allow yourself to grieve the loss of a friend, see how you can grow from the experience, and then try not to let thinking about it rule your life, because you really can't control it and you can't change it.