Well... Yeah. When you lay down with dogs you wake up with fleas.
Like it or not, we are all judged by the company we keep. Welcome to the human race.
And there's reason for this. We tend to adopt the behavior and beliefs of the people we spend time with.
So even if he wasn't a white supremacist, and that's arguable, he accepted their money, their praise, their support, their drinks, their friendship. He will be.
He will be.