Twitter's primary metric is "Monthly Active Users" which is driven by a) tweeting and b) engagement (aka activity) on those tweets. It's not in their best inte

Twitter's primary metric is "Monthly Active Users" which is driven by a) tweeting and b) engagement (aka activity) on those tweets. It's not in their best interest to wipe out the bots at any large scale. Sure, the occasional cleanup or purge as a token effort or to get the most egregious stuff but remove them all? Nope.