They really haven't. They continued to double-down on ivermectin and other COVID era flim flam as it came to light more studies were dodgy or outright fraudulent. It's pretend science theatre from a former small university lecturer who managed a couple research papers in 20 years. For example, telling the audience with a straight face that it doesn't matter if the studies going into a metaanalysis are biased because the errors will cancel out.