one day, two fantastic examples of great games based content on youtube :
Game Makers Toolkit on the five best innovations in game design in 2016 : https://www.youtube.com/watch?v=kzfKnI8x5SE

No Clip Doom 2016 Documentary part 1: https://www.youtube.com/watch?v=PS6SBnccxMA

Both these guys are on patreon too, so give some support if you like what you see.