It is so sad that Christianity is struggling today. There have been so many issues not confined to one group. The Catholics have been fighting sex scandals for years and this seems to be the most explosive. The United Methodists made decisions recently that may split the denomination. Episcopalians meeting in England were distressed to have same sex spouses barred from the proceedings. These are all mainline churches.
The less united denominations don’t seem to have suffered as much since members who disagree just move elsewhere. However, over the years, they have suffered from what seems to be leaders who took advantage of them.
Christianity has been tested before. Usually it seems to help people assess what it means to them and what it is really about. The way it looks after this testing we can’t know. It may be radically different. Hopefully people will look deeply into their hearts and draw closer to the deeper meanings of that faith. All I know is that testing usually results in change. Hopefully for the better.