The obvious explanation, as you so astutely point out, is that our State Department and its cutouts are behind this. Our government wants X shut down globally, and Brazil is only the beginning.
The fact that Pelosi looks giddy with the anticipation of forcing a TikTok sale is enough for me to know it's a bad, bad move. The democrats thrive on censorship. It's their #1 strategy in the war of ideas.