They don't need to directly change votes. It can be much more indirect. For example, you can associate an unpopular celebrity or sports team with a political m

They don't need to directly change votes. It can be much more indirect. For example, you can associate an unpopular celebrity or sports team with a political movement, driving its approval down. Also, you don't need _those_ accounts to change votes, you need to create small viral effects that will cause people to start spreading ideas.