[gamblor956]

Or maybe...it is a good engine when configured and used properly, and many developers don't take the time to learn how to do so. There are plenty of UE games that don't have shader stuttering issues because there are plenty of things you can do to avoid shader stuttering.

UE-powered games collectively earn 20+ billion worldwide annually each year. Unity-powered games also earn 20+ billion annually. This means that each year these "bad" game engines power more revenue than every YCombinator company combined.

Meanwhile, idTech, however technically amazing it may be, is so complicated to develop for that even id Software doesn't use it for every game.