I think you are very close. He is getting even with America and what she represents and relishes it.
It’s pretty simple, actually: he’s evil and doing the Devil’s work.
America represents light and the freedom to be selfless and whole in spirit and life. He hates the light, because his deeds are evil.
He coveted the top spot as president of the United States, because the Devil aspired to be the "leader of the free world". He finally found someone malignant enough to bring it down. Besides, Satan would rather keep the freak stinking up the surface of the planet, than fouling up the underworld. Michelle even said that he stank.