Which is exactly what Unity has been busy doing for the past 3 years. Epic and Crytek knew that as soon as someone released a major AAA game based on Unity, it

Which is exactly what Unity has been busy doing for the past 3 years. Epic and Crytek knew that as soon as someone released a major AAA game based on Unity, it was game over for them, and the beginning of a console generation (where developers are still leaving a lot of power unused) was the perfect time for this to happen. They needed to react, and they have.