Just anecdotal but there is a popular leftist subreddit /r/wayofthebern that attracts democratic socialists, conspiracy theorists, and anti-imperialist types that has always been criticized for housing russian bots due to their very generous moderation policies and the fact that many viewpoints against the negative behavior of the west just happens to benefit Russian interests. When the sanctions began, some users noticed that all the posts on the subreddit suddenly lost the typical upvote momentum that they had typically gotten before the sanctions.
Just anecdotal but there is a popular leftist subreddit /r/wayofthebern that attracts democratic socialists, conspiracy theorists, and anti-imperialist types that has always been criticized for housing russian bots due to their very generous moderation policies and the fact that many viewpoints against the negative behavior of the west just happens to benefit Russian interests. When the sanctions began, some users noticed that all the posts on the subreddit suddenly lost the typical upvote momentum that they had typically gotten before the sanctions.