I don't share your pessimism. I think it will survive and hat there will be compromises. Here's an article that I found via Twitter:

http://www.secularism.org.uk/blog/2013/11/change-is-overdue-to-our-sectarian-coronation--even-the-heir-to-the-throne-seems-to-think-so

I did think that the last coronation was moving and rather impressive. The next one will be just as splendid.