Social media only makes the demonization of Christianity happen more quickly. Her views were bound to become public eventually, and she would have been treat just the same.
After all, the Atlanta fire chief didn't tout his beliefs, he was just the author of a book which questioned homosexuality in 2 pages, and he was out.
Possibly. But then you lose the publicly self-inflicted aspect of it.
Today alone we have three instances of people doing themselves in on Facebook - this one, a teacher in Florida fired after posting pictures of her same sex marriage, and a waitress who complained on Facebook after getting stiffed on a tip on a food order for a megachurch. That's a big reason why if you are going to post anything that comes into your head then make sure you don't have your employer on your Facebook profile.