It's kind of a shame that he's wound-up writing an article like this. It certainly discredits him in my eyes and it seems utterly opposed to stated principles of evidence based medicine.
As others have noted here, the article calls for action based on very little data and lots of ad-hoc speculation. It also cheery picks its and falsely claims we don't have enough data.
I wonder if thinking all research is false too much lets jump to the idea you dream any opinion that's convenient.
Moreover, Ioannidιs has absolutely jumped into advocating this position from a partisan political position, with his positions picked up by partisan political sites such as the dailywire.com;
Headline: "Stanford Professor: Data Indicates We’re Severely Overreacting To Coronavirus"
https://www.dailywire.com/news/stanford-professor-data-indic...
He wrote a column a couple days before this paper. Linking the response as well.
https://www.statnews.com/2020/03/17/a-fiasco-in-the-making-a...
https://www.statnews.com/2020/03/18/we-know-enough-now-to-ac...