Unreal Engine is a powerful and versatile software platform that can create stunning graphics and immersive experiences for various applications. However, some people may think that Unreal Engine is only suitable for making video games, and not for other domains such as augmented reality $($AR$)$ and virtual reality $($VR$).$ Do you agree or disagree with this view? What are the advantages and challenges of using Unreal Engine for VR$/$AR development? Please share your opinions and examples.