Which is fucking stupid. The guy just had to say "I held certain views at one point that I now find abhorrent. I regret my actions of the past and I'm truly sorry for making that donation. All people are deserving of equal treatment. I wish I had realized that sooner, and for that lack of compassion and understanding, I sincerely apologize."
People would be falling over themselves to slobber his knob and the rest would move on to other high vis targets.