First of all, similarly-designed cameos do not a horrible, continuity-warping mistake make. Besides, where is a Luigi analogue in Link's Awakening? What you should be using to prove your point are the actual Mario character easter egg portraits in OoT.

And, sky, if you're going to complain about so-called science fiction concepts finding their way into fantasy (considering time travel has never been a concept limited to science fiction), you should hate Star Wars for its fantasy concepts infringing on a science fiction world.

But putting a train into a medieval world? How is that justifiable? In the next game, they might as well give Link wireless internet access and a Bluetooth headset. Could we finally agree that that would be going too far?