Bought or individually manipulated small content creators, in other words, astroturf. Believe it or not the FSB actually arrived in the 21st century and they know that the likes of RT are too on the nose to have wide-spread impact.
Also, targeted media amplification, like that Maersheimer video which suddenly went viral (and, ironically, was then amplified by, of all people, tankies. Must not have gotten the party memo that (rightly) decried geostrategic realism as imperialist apologia)