>>3951189People say he kept her to himself and sucked as a dad.
I think it's hard to find a better father given the apparent circumstances.
Even if she were with Rando, it is still very likely that she would be raped within days the very moment Rando isn't around to protect her.
Keeping her in seclusion was the best option as she is seemingly the last of her kind and a free target outside of their home. They still walked around in disguise around Olathe so she wasn't completely locked up.
He only started losing because he kept getting betrayed.