system
A chat on subreddit /r/PoliticalCompassMemes
human
Your framing of the entire issue is extremely limited.  It’s neither the left nor the right propagating identity politics.  It comes from the grass roots. 

Before group X banded together under the flag of their identity, they were still individually saddled with that label, and attacked individually on the streets, in the workplace, etc.  Banding together in the light of day is a predicable survival tactic.
gpt
Yeah, it's really grass roots, when all the evidence suggests identity politics was intentionally escalated in direct opposition to occupy wall street from the left.  Look at the data on google trends and elsewhere and tell me I'm wrong.