What do you mean? Even if we ignore the "you are with us or with the terrorists" tone of your comment (that kind of prove my point) it still does not make sense. Where are the accusations of Russian bots/dinsfo on articles about American healthcare, or wealth inequality or gun violence in the US? Because those are also subjects that can be exploited by foreign powers in an effort to destabilize the US.
In fact, tons of europeans online love, love to highlight and amplify those exact issues, so I guess they are exploited by russian propaganda too? Or is it only europeans that get to use that as an excuse to deflect criticism and discussion about their internal issues?