OK, he could have told her he was cutting off her housing and college funds before she took a sememster off from college to help him in the election.
He already knew she was a lesbian.
He's being a hypocrite to cut off her housing and college funds only after he used her services.
She is playing the thing masterfully, smearing her father while basking in the adulation and support of people who hate every firm moral stance he has ever taken.
She's an adult. He's treating her as an adult.
In time, she may realize she has been duped by a lying adversary who has no love or regard for her.