It's pretty astonishing how many friends on Twitter are following this account. What's going on?pic.twitter.com/TClW1sfBCt
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Also, people might have him on mute or are hate-following
Could be true!
He also has a 'soft' troll approach where he goads responses by saying something outlandish, and then sublimates, saying 'thank you for sharing your ideas' and 'I'll take this under advisement.' And then people thank him, as if he's done them a favour! 
Too true! It's always 'just a joke' when really they are trying to get away with insulting or demoralising other groups.
2/2 I think some people don't keep a tight eye on who they follow (in fact research shows they don't unfollow in many cases) I like to do clean outs. Recently did this. It's a pain but good to sift out anyone sus
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.