https://www.firstpost.com/tech/news-analysis/researchers-fin...
This doesn't say anything about the concentration or percentage of bots on Twitter.
Neither does this.
Nor this. Nobody said bots aren't on twitter. What's under discussion is whether or not the bots make up a large percentage of users on twitter.
Honestly this is such a common thing in PR it's silly posting more examples That's kind of hand-wavey. I'd appreciate more examples.