First, there are the cliches: "face to face meetings are better", "spontaneous collaboration", "out of sight, out of mind".

Then, there is the non-sequitur of people quit when the pandemic hit, it was because remote. Maybe it was a shit company already and remote just made it worse enough, did you control for that?

Last, but no least, what the hell do economists know about human behavior to do a study on how remote work affects it? It would be like me doing a study on ... Well, anything, I'm a college dropout, I'm not qualified to do any scientific research. But I still learned enough to spot a weak argument at best.