I don’t doubt that it’s bad in the worst possible scenario: where spam accounts are highly visible to real users and cause them to disengage. But in practice w

I don’t doubt that it’s bad in the worst possible scenario: where spam accounts are highly visible to real users and cause them to disengage. But in practice what we’ve seen on Twitter are accounts that are largely silo’d off from users, who act to “signal boost” certain tweets and hashtags. Most users never even see these accounts, and will never interact with them directly: but they will see content on their timelines boosted from spammers.