What's with the Unity engine?

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DonFerrari said:
For everyone that is saying the tool isn't that much relevance to the quality of the graphics, if that was the case studios wouldn't develop their own engines, unreal wouldn't be updated all the time with some stuff that wasn't possible before being added.
Also if mostly Indies choose Unity but when a studio want to make a good looking AAA game they go unreal or others that should be enough evidence that there is limitations on what is really possible on photorealism on unity.

Exactly, we'd still be using UE1 if the engine wasn't a factor in graphics and performance.