Not only is every word exactly what I think about Gothic 1 (although I have 1000 more thoughts he does not touch on), but the way the video uses and elevates the original in-game footage and Machinima footage of the game is amazing. While the tone of the speaker is serious, the video isn’t and shares the same humor the game shows, which is so funny if you know the game well.
Also comparing Gothic 1 with Witcher 3 is like comparing a bike to a Ferrari and then pointing out that cycling is better for your health than driving a car. 
No I mean of course what else could he have made the comparison with than an oustanding other RPG when talking about the best RPG ever being made- Gothic 1!!!