You have to keep in mind that almost all of the authors are Masters of Public Health, which means they pro-vaccine activists writing in the journal of a pro-vaccine agency. These are not objective scientists. Still, ad-hominem is a weak argument so here is another, in addition to what I wrote about IFR.

On data integrity grounds, I would question a paper that relies on COVID death counting, when those numbers are so at odds with all-cause mortality. For example, MA has low excess all-cause mortality, but one of the worst per-capita COVID totals. OTOH, California has high excess all-cause mortality, but low per-capita COVID totals. Maybe I should post my code on github. https://pasteboard.co/AGwfweN1K4G7.png