Well, you're wrong. U4IA has a similar bit where the MC's childhood best friend, whom he saved when they were very young, came back after joining the military and leaving on a combat deployment to save his life. There are countless quotes about "The family you choose" having stronger ties than the family you're born to. Even in this story, there are several characters who clearly aren't family who still have incredibly close bonds to the presumed family. These type of relationships are especially common in rural communities, like the one this story takes place in. There are times where even the kids are working side by side 18-20hrs a day to get the harvest in on theirs, their friends and neighbors farms in first world countries to this day.So i STRONGLY disagree that the only purpose of the family/relationships is a incest purpose
To be blunt, there are parts of my family that would literally require at least one death for the bonds to begin to mend. That's what happens when someone in the family tries to kill family members and their mother and son commit perjury to get a plea deal.
At this point people are purely fighting over this due to the fetish bc it can not exist on Ocean's preferred platform. And this is VERY clearly fetishism, as was pointed out that fetishes are compulsory. And people refuse to let go of it despite Ocean apparently saying he's moving away from incest intentionally to prevent the past from repeating itself.
Lets be real, mommy wanting to bang her baby boy is far more twisted than twins wanting to slap flappies. As a parent to twin girls, separation anxiety isn't something to wait to deal with. William running away bc Katie is blackmailing him for diddling his twin doesn't really work in a situation where mommy is horny for her son.