Explain this to me NCTIZENS

What is their point system (for whose late)? I tried and tried to understand but I couldn't (they probably explained it in the past but I didn't check it yet).

help meee

I can't continue the video without understanding and I am pausing their latest content because I need to watch everything In order.

Quote from chounim

They're trolling

What? how? I need a step-by-step explanation.