Increasingly, the antivaccine movement has become allied with fascism, including openly fascist groups like Proud Boys marching in their rallies. Why is there such an affinity between antivaxxers and fascism?

Increasingly, the antivaccine movement has become allied with fascism, including openly fascist groups like Proud Boys marching in their rallies. Why is there such an affinity between antivaxxers and fascism?
Marianne Williamson is running for the Democratic nomination for President. Unfortunately, she is an antivaxer, her denials and not-pologies notwithstanding. Don’t be fooled.