She picked foreign threat actors who have been boogiemen to the American people for like 2-3 decades at least in order to not seem racist/xenophobic in this. But if the American government doesn’t have the right to impinge on the free speech of their citizens, they don’t have the right to do so to foreigners either regardless of whether their governments are an active threat.
Making them use their real names doesn’t stop them from stirring the pot. Doesn’t make Americans less susceptible to propaganda or influence from foreign threat actors.