I'd make the assumption that posters located in Russia, China, NK, etc. are likely to be in some way tied to the state, where posters in India, random African nations, etc. are more likely to be private actors of which some will be US-based outsourcing to low-cost labor.
Its also just financially lucrative? The right tends to have more politically incorrect things to say and its no surprise click-farms from Asia would want to capitalize on that shock value.
I'd make the assumption that posters located in Russia, China, NK, etc. are likely to be in some way tied to the state, where posters in India, random African nations, etc. are more likely to be private actors of which some will be US-based outsourcing to low-cost labor.