Some reasons as to why it can look better at https://news.ycombinator.com/item?id=26445522

Some time ago I read a long recollection of Mark Ferrari on the origins of the graphics, but now I can't find it for the best of me. There's a very nice interview where it explains it a bit at https://www.youtube.com/watch?v=ri4_3P2Oh14 , though.

a long explanation or interview by Mark