The only thing holding this back are the remaining Catholics who still adhere to the faith. As their numbers dwindle, the floodgates will open. There will be nothing left to prevent modern society from slipping into the post-Christian barbaric abyss. It will be a cruel, hideous, and inhuman stage of post-civilization.
Preliminary? We've been in the midst of it. The signs actually are pointing to the peak already having been. Embryonic stem cell issues will be a problem so long as the medical community is convinced that something good will come of it. That is a problem.
At this point, all we can do is pray and do our best against it.