I'm surprised that people almost seem surprised that American Vogue is too political right now when just a few weeks ago the president of that country complained about his wife not getting a cover. This is a trend that is sweeping across the globe with magazines like Vogue Poland, Czech and India giving their covers to politicians or first ladies, Biden getting prominent coverlines on UK Vogue and GQ. These magazines have been taking stances on social issues which feeds into politics, and in American Vogue's case even went as far as to publicly endorse a candidate. So don't be surprised to see a politician on a cover.
Think of it as diversifying the way Vogue connects to the greater public. They no longer have to rely on just actresses and pop stars, they can now do it with Kamala and AOC etc as well. It is what Vogue and what fashion magazines will have to do if they want to continue enjoying the attention of the greater public.
I don't have a problem seeing politicians on fashion magazine covers personally, but make it Vogue.
Also, I keep seeing this refrain of 'I'm glad they are showing her exactly as she looks and not style or change her into something she's not' and I don't agree with that reasoning at all. If you don't want to be changed, then don't appear on magazine covers! This line of thinking is what leads to the death and mediocrity of fashion styling. Because not only do you have brands who insist on head-to-toe, but also celebrities refusing the stylist an opportunity to show them in a different light.