Caution: there is too much reasonableness in your post..
If the guy photographed cute puppies would anyone conclude that his “work” was an influence on the son?
This is not to say that the family is not sick but photographing women tells us nothing about it
The guy had issues with women, it is not unreasonable to think it could be related.
They drop their drawers for dad on a whim when they won’t even talk to him. Heck he was involved with Hollyweird where every actress sleeps her way to the top and he got no respect from the sluts.
You think there is no link in him being a part of all that?
It’s very possible