To get a sense of how bad the bot problem is at twatter, just go to posts like this and look at the replies.
Credible MD speaking from firsthand experience, and a bunch of trolls show up to downplay the firsthand observation.
Whether they are paid by a foreign actor or a corporate actor (or both), they need to be held to account.
https://twitter.com/BrianLenzkes/status/1545069950976438285?cxt=HHwWmsCl0eW7mPEqAAAA