I disagree. It feels like that the dev tried very hard for Frank not to have children of his own, not because the story really needed it.
That's why it feels so weird for so many people. Abigail could have easily been Franks daughter by blood but the dev even denied us that.
To me it feels tacked on.
Yes, the dev "tried very hard" for Frank not to have his own kids. Because that's the story he wanted to write. It's not "tacked on" ... it's integral to the story being told. If it wasn't, there wouldn't be a whole plot thread dedicated to dealing with her biological family.
Every background thread has been intentionally woven to produce the situation at the start of the game. You can't just swap out adopted daughter with biological daughter, because the story spends time defining WHY she's his adopted daughter. You can't just change Lilly from his step daughter to his actual daughter because Lilly's whole story is based on her KNOWING who her biological father is. MAYBE Becca could have grown up thinking Frank was her bio dad and still be on the same path, but it definitely makes much more sense
for him to have shown up when she was a young teen and her to fall in love with him and then be devastated by her mom taking Frank away from her and never really getting over that.
Most people aren't weirded out by the step-ness of the story, they're annoyed to distraction by Frank still being so in denial and "wimpy" (for lack of being able to remember a better word) all the time about his girls. But even that is established multiple times throughout the story that this is his personality. Yet even though he might spend too much time admonishing himself over it, he still is moving forward with everyone except Abby ... WHO HE PROBABLY SAW BORN. I know the majority of the people in this forum don't care about that, but clearly the author does.
I'm not going to make a judgement about whether the quality of the writing lives up to the current 4-star ranking, but I don't have a problem with there being ONE AVN that doesn't just get past the first "incest" scene and declare open season on the whole family, even if there aren't any biological barriers to break.
I LIKE those, but I like this too.
[EDIT: Sorry, didn't see I was piling on until I posted it.]