mr91 :
Rationale :
Ubisoft didn't make Rage...
We're not talking about Ubisoft...
Whoops, for some reason I thought you were talking about Watchdogs.
Anyway, it's still not the developer. ID Software made Rage, and MachineGames made Wolfenstein: TNO. It's the engine. The ID Tech 5 engine utilized in Rage and Wolfenstein uses stream loading for textures, it's not a bug, but a method of saving VRAM.
His hardware may be an issue, so he should probably post that.