Earlier quoted context omitted.
Nothing happened to Ioannidis. He did his job as a scientist and said what he thought was right, even when everybody disagreed with him. So he was wrong? So what? To be a scientist means to blunder a lot. In fact, to be a scientist means to (be willing to) blunder much, much more than everybody else because that is the only way to learn. Science, ultimately, only gives you the tools to know when you're wrong .
Well, he also decided it was appropriate to insult the physical appearance of grad students on twitter who disagreed with him. He definitely didn't come out of covid looking fully dispassionate.
One of the earlier researchers on psychopaths was Hervey M. Cleckley. In his book on the topic The Mask of Sanity one of his vignettes of, I believe, "incomplete manifestation of psychopathology" was of a psychologist who gave public lectures on psychopaths, without apparently recognizing that he was almost one of them.
To sum up the parallel, there are two kinds of people who tend to talk the most about any social or personal ill: those who are worried about the ill, and those who are distracting from the fact that they themselves embody it. (Technically this probably overlaps a bit, as ex-alcoholics are often worried about alcoholism, for example.)