I remember Charles Krauthammer talking about how tyrants believe in "One man, one vote."
"One time."
Which, of course, is the time they get voted into office.
I think a similar thing happens in Christianity. Someone realizes that denomination(s) have gone outside the Bible for doctrine (or have misinterpreted it)…and (rightly) decides with like-minded people to learn what Scripture really says.
Then, of course, they document their conclusions, fully convinced that this time they’ve got it right, and anybody else who concludes something different is wrong.
I imagine God is sad every time…but not surprised. 🙁