FSB is using social media among other things. Active Measures is one of primary ways how they operated and they adapted it well to the Internet age.

Have you thought how come that antivaxx people also have very pro Russia anti EU, anti UN anti NATO views?

Covid was a great catalyst in spreading disinformation.

Same thing with far right people in US and Europe, how come their views are mostly pro Russia and how come they greatly overlap with antivaxx?