Something appears to be overriding GP’s CSS script. I don’t use Gutenberg or Google Fonts, but something is going around my settings to insert other fonts.
Yes, true. Because I’ve already fixed the fonts on everything that is posted.
I can’t sent you an attachment, but if I could, you’d see that if I bring any of those posts up in the editor and insert a new line / paragraph, the font for the new entry reverts to Georgia; not Arial as it is supposed to.