> Twitter is bigger than any of the botters, and if it wanted it could raise the cost of entry of botting high enough that nobody would be able to afford the bots in any quantity large enough to make a difference.

How would they do this without triggering enough false positives to destroy their product?

I mean seriously, if you are capable of doing this that well, you could probably walk into a job paying >>$750k/yr at any of the large tech companies, because they'd be falling all over themselves trying to get at your magic.