My mom is a huge opera fan, and my brother goes along with her often when he can. It's not my thing, but I respect the history of the art form and I don't hate the music.
As a German-American family, perhaps, they're especially fond of the Ring Cycle. When they get a chance, they buy tickets to all four productions and go see them one after the other.
This is despite the fact that everybody who knows anything about opera knows that Wagner was a *huge* anti-Semite.
They both know this, and reject his point of view. But that doesn't stop the music from being great.
Now, it's a bit different when the artist is still alive and making money off his work, I'll grant you. But all the same, I have a hard time judging Card's work based on his personal points of view.
Yes, his Mormon-influenced views about people marrying young and as virgins and then having at least three to five children are a prominent influence on his plots. But I don't remember seeing anything anti-gay in his stories, either. He seems to keep that in a separate compartment from his creative life.
I'll go to see the movie, and judge it based on its own merits.