Orac has long argued that chelation therapy for heart disease is quackery. An abstract presented last month finally confirmed that. Why did it take so long?

Orac has long argued that chelation therapy for heart disease is quackery. An abstract presented last month finally confirmed that. Why did it take so long?
hack: adj.: 1. Working for hire especially with mediocre professional standards (a hack journalist); 2. performed by or suited to a person who works or writes purely for the purpose of earning money; 3. characteristic of a hack 4. MEDIOCRE (e.g.) hack writing, hackneyed, trite.
Thack: adj: All of the above, but in the style of Paul Thacker. Verb (transitive): To write hack hit pieces in the style of Paul Thacker.
I know I’ve written about Paul Thacker’s attacks on young physician Dr. Allison Neitzel three times now, but he just keeps going lower and demanding more not-so-Respectful Insolence. Orac is happy to oblige.
I normally don’t publish email exchanges, but when someone like Paul Thacker misleadingly characterizes an email exchange with me, let’s just say that I will make an exception in his case.
It’s hard to believe that in the 21st century there are still those who are “not convinced that viruses exist.” Virus denial and antivax go together and always have. Denis Rancourt, while far from the first or more vociferous virus denier, is an excellent example.
A misinformation-laden review article in Cureus by prominent antivax activists that called for a moratorium on COVID vaccination has been retracted. What took so long, and how could such a paper been published in the peer-reviewed literature in the first place?