You make a good point, but I think you attached the wrong conclusion. This is definitely time-relative. But you could use light-painting to capture that. Just

You make a good point, but I think you attached the wrong conclusion. This is definitely time-relative. But you could use light-painting to capture that. Just add a dimension; brightness, color, size. It just, obviously, requires more time. It won't be perfect, but that wasn't even remotely the point here.