I don’t think the author meant that computers weren’t designed for games, I think they specifically were referring to 3D games. Wolfenstein only worked, as the

I don’t think the author meant that computers weren’t designed for games, I think they specifically were referring to 3D games. Wolfenstein only worked, as the article pointed out, by significantly constraining the problem. While Doom wasn’t as unconstrained as Quake it enabled a significant amount of complexity compared to Wolfenstein.