A boy mad scientist isn't mad in a bad way. He knows the girl he wants is above his social status, so he develops a way to make her not care about money or status and choose him.
This is more of a thought experiment: What if the exclusion of a supposedly loved family member wasn’t malicious, or some kind of evil plot, but simply a genuine mistake? How could a family hope to mend their relationship? How could someone get past what had happened?
Uncle thinks he's acting as therapist, but funny thing about the word "therapist": if you separate it like so, it's "the rapist" ... and it's still incest!