A pro-russian movement is going on in the world and is destabilizing the whole society. Wars are being fought, and more will likely be started. Alliances are being torn. This is, in part, due to Russian propaganda, russian bots and the like. The sentiment is shifting from anti-russia to pro-russia.
Creating bots, or accounts, that have russian characteristics that are obviously anti US (specifically anti republicans) and offensively so, would be a net positive to the world.
It would be quite the race that would end up in endless flame wars and even more instability.
Ya, probably. And they sure have more money to spend on it.