Not trying to start anything, just reminding you that your experiences are your experiences.
If they were the only example, then I wouldn't generalize. But they're not. What happened to me happened to over 50% of the people I knew as a child. You think we didn't compare notes?
Here's a mental exercise for you: try to come up with a divorce scenario that is not dependent on a moral failure by one party or both. (It can't be done - the breach of a solemn oath itself is a moral failure.)