Absolutely, they already do in USA, but the rest of the world is more complex with a multitude of different local conditions to exploit, and requires way more work and sophisticated methodology to work, so AI would be an even bigger help for making US propaganda for foreign countries.
If they were planning on "attacking" Russia that has been extremely hostile themselves, I wouldn't have a problem. But Trump is looking to attack traditional allies with propaganda and is making them enemies!! That's what happened to Tesla when Musk supported AfD, and now Tesla sales are plummeting in all of EU, more than anywhere else! Except Norway that for some reason is mostly unaffected, and continue to happily buy Tesla Swasticars?
Most of Europe already no longer consider USA a reliable ally! And Trump continues to make it worse. Handing global dominance to the Chinese on a silver platter.