In the film industry, lighting is about storytelling. The software here must handle billions of polygons and complex shaders without compromise.
Different jobs require different guns. Here is how the market segments: Visual 3d Lighting Software
You move a virtual sun slider, and the shadow moves instantly. You change a light bulb's color from white to red, and the room immediately floods with crimson. Software like Unreal Engine 5 (Lumen) and Unity (Enlighten) have made this possible. In the film industry, lighting is about storytelling