There is probably no particular goal. It's just how they do things, how they exert power. Active measures [1] and all that. Fear of being poisoned keeps people

There is probably no particular goal. It's just how they do things, how they exert power. Active measures [1] and all that. Fear of being poisoned keeps people loyal. Disinformation and propaganda don't let dissent spread, influence politics, etc. [1] https://en.wikipedia.org/wiki/Active_measures https://en.wikipedia.org/wiki/Active_measures