Not my logic because I'm comparing two things that exist in the same era, while you are comparing two things that were created in different eras.
Except nothing of it is the orcs' achievement. They were 'uplifted' by the goblin engineers who created all the designs, schematics and plans, and then taught the orcs how to build them.WoD's orcs transitioned from a tribalistic, semi-nomadic culture to an industrial, mechanized military power in a matter of years. That is, no matter how you slice it, technological progress.
They cannot, because, in the lore, they are one and the same: both are characters who focus their efforts on creating and tinkering with machines. I have not yet heard any reasonable argument that explains how the two are different. "One invents, the other follow schematics" is not a valid argument because engineers can 'invent' (i.e. learn how to create things themselves, without the need of someone to teach them).Some people think they can't coexist.
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They already have a representative: engineers. Not everything in the game needs a 'player class' to represent it. Otherwise, when should we be expecting the 'farmer' class? Or the blacksmith and the tailor classes?