There are moral fashions. But this isn't one of them, because it's far from arbitrary. We aren't going to have some sort of sudden fashion back the other way, where people are suddenly against interracial marriage, or against black people voting, or against women voting.
They also aren't shunning him for his views. They're shunning him for his actions. He tried to hurt them; it is not unreasonable of them to refuse to support him or the organization he runs.
They also aren't shunning him for his views. They're shunning him for his actions. He tried to hurt them; it is not unreasonable of them to refuse to support him or the organization he runs.