The theme of Forrest Gump that I viewed as conservative it would be that an ‘ordinary’ guy with particularly steep challenges can have a significant positive impact on the people around him as he lives a free and imaginative life.
Hadn’t seen ‘An American Carol’ but am suspicious of movies tailor made or labeled for a particular audience. Liberal movies never declare themselves as for liberals - they just are. A good movie shouldn’t have to label itself into an ideological ghetto.
It had George Washington and General George S. Patton in it and portrayed them positively.
The only time you would see both men in a modern hollywood film is a modern adaption of Dante’s Inferno.