No its not. Such a clickbaty video. It uses as an editor for a game mode that isnt the core game nor the game engine that runs the game. ANY editor could have been used, even Source 1 if they had rights. So this isnt mindblowing at all.
So, Mexico and UK. It's basically Half Life 2 happening there. Wait for the citizens be surveillanced 24h with some police drones. Censorship and control over there is skyrocketing. City17 is their next stop.