Both crimes are so heinous, that my question was a rhetorical exclamation, but yeah - as a father I do believe there's a special category of badness that involves parental betrayal.
And now that I'm a little older, I can very clearly see where a lot of the goofy kids I knew when growing-up, particularly the girls, often had parental problems involving their fathers. Things I later found out in our late twenties or early thirties, that explained a bit of why they were such wild funky teens and early twenty-somethings.
Some sad stories there as kids, that sometimes come out as adults when getting seriously drunk with trusted old childhood friends. I had had one (of two twin sisters) in my house who was becoming so manically animatedly excited telling a story of parental abuse, that I had to hold her by the arms to subdue her for a few moments, in order to calm her down while she was having what I could only describe as an emotional breakdown. It's one thing to calmly hear or read a story of abuse from a distance; but it's another to see the emotional havoc wrought on an individual attempting to recount it.
20 years later, the raw emotionality of her breakdown still sets my nerves on fire, while simply typing it here.