Humans are not blind automatons, however. They have the capability of the mysterious thing we call choice.No argument there. Nobody should follow this destructive lifestyle. Just look at the picture of the perp: You can see at one glance how unhealthy this guy is, and many of those perverts look like that.
The interesting question is what causes some people to be tempted to follow it. I have always been a bit of a lecher myself, but I have never been tempted in the slightest to do what these creatures are doing. So, it is not just behavior and temptation, there is something different about these people. And I am curious what it is.
Perhaps science will understand inner temptation factors better in the future, but ultimately science won’t be able to factor away the things we call choice and responsibility. C. S. Lewis’ “Mere Christianity” puts the moral issue about as well as any modern author I’ve seen, without being preachy about it. I believe it’s a matter of a personal quirk, neutral of itself, being used for sin in a wrong way when it could be a virtue when used in a right way.