NPC streamers model their behavior after video game NPCs, often performing repetitive, almost robotic gestures and phrases.
It is the result of multiple years worth of personal data mining and social media behavioral studies to funnel as much money as possible out of users for the absolute least amount of worthwhile content.
It is a major sign of the apocalypse. I'm not kidding. Boiling human interaction down to the molecular level for maximum profit extraction has an end point, and it's not pretty.
