Before the recent post on Public Sans, I was unaware of the typeface myself... I think it's absolutely beautiful myself, I wish it were more complete for use outside US contexts. I like it a bit better than Robot Sans, which has been my go to for web content for about a decade.

That said, I feel the issues come to play with the differences between what is seen on a screen and what persists in physical print. I do wish they'd picked a better font in both cases... My own assumption about the Calibri switch was that it was the MS Office default, meaning one less step, but I guess that default itself has changed since.

My only preference would be for a typeface that has a free/open license for broad usage as a default. Also, given the nature of printed documents would probably lean towards at least some serifs to make reading easier, especially to better distinguish some of the more problematic characters.