Social media and Twitter is general is filled with fake accounts and trends. It's almost like bombarded with fake accounts these days. This is the case at least here in India.
Twitter has been compromised by a Sybil attack[0] many times. They tried to stop people registering sockpuppet accounts en masse by forcing phone verification, but phone numbers are trivial to acquire with things like Twilio and other services, so it's a minor hiccup for the troll farm operators.
