The real question is why Nature keeps publishing this guy without any scrutiny. They really should have learned their lesson after the fiasco that was their last paper on superconductivity.

… and why he keeps getting past reviewers, who must know his reputation.

In an ideal world, the peer reviewers wouldn't know the author of the paper, right?

they really know when reading the paper. small world, everyone PI knows who is working on what

The vast majority of academic journal review is single-blind (reviewers are anonymous, but not authors). Double-blind review can be requested by authors submitting to Nature Journals, but it's rare. https://www.science.org/content/article/few-authors-choose-a...

My guess is being a good scientist is less important for keeping his job than, say, not doing anything political controversial

>Why does he still have a job?

Pretty easy to stay hired when you're a founder of a very small startup.

Edit: Looks like he's also on staff at the University of Rochester?[0] I can't snarkily explain that one.

[0] https://www.hajim.rochester.edu/me/people/faculty/dias-ranga...