COVID-19 antivax quack Dr. Paul Marik has embraced vitamin D quackery. What does this say about the COVID “contrarian”-to-quack pipeline?

COVID-19 antivax quack Dr. Paul Marik has embraced vitamin D quackery. What does this say about the COVID “contrarian”-to-quack pipeline?
Quacks delude themselves that they are brave mavericks who are being persecuted for “innovation.” That’s why they attack scientific authority that tells them they are quacks and cranks as “corrupt” and “unimaginative.”
Earlier this month, COVID-19 quack Dr. Pierre Kory was told that the American Board of Internal Medicine had recommended removing his board certification. Kory’s answer? ABIM is corrupt!
Conspiracy theorists hate being called conspiracy theorists. After they try to rebrand themselves as “rational theorists,” hilarity ensues.
Recently, two COVID-19 antivax quacks, Drs. Paul Marik and Pierre Kory of the COVID-19 quack group FLCCC, announced that the American Board of Internal Medicine (ABIM) had informed them that their board certifications were in jeopardy, which they promptly used to portray themselves as “persecuted.” What’s going on?