Not necessarily Christian-hating, it’s just what’s fashionable now in academia. People will take up the fashion without thinking, or because they are afraid of being censured.
Before the Current Era, makes no sense, because the current era is ‘anno domine’.
But then, academics are slaves to fashion...
At any rate the text is very interesting. I wonder what book of the Old Testament it is part of?
It’s very moving that the concern here is with the poor.
I’ve known of a few instructors who threatened to flunk students if they used BC and AD.