Perfectly sound, if a bit overlong, shifting tonally with the stages of Custer's life and career. A strikingly memorable scene was the procession of Secessionist cadets from West Point - a sobering reminder of decorum and rules of war, played with humanism and grace. I want to see more of that.
Yes, it's a racist film. But people who are so focused on the subject, they probably couldn't see part of the american classic cinema since "Birth of Nation". Still, Walsh didn't make a reactionary film, like Griffth or many Ford's. In the end, between George and the "english", before their last fight, they admit that the only native americans are the Indians and they show how wrong was that battle.