I didn't mean to imply that instancing would reduce the light transport costs, but rather just reduce the overall render time cost. E.g it's complex in a way th

I didn't mean to imply that instancing would reduce the light transport costs, but rather just reduce the overall render time cost. E.g it's complex in a way that is great for benchmarking things, but not necessarily in a way to be representative of production scenes in a feature film.