Images aren't like that for artistic effect, but for lower energy consumption.
> We further apply default typefaces, dithered images, off-line reading options, and other tricks to lower energy use far below that of the average website.
Ok, I didn't read that. But I still think it's _not_ a good idea to do that for a topic where personal safety is at stake. And besides, the quality is really too low anyway. I can barely recognize the thermocouples in those images.
How can I take your comment seriously if you didn't read the article? It looks like someone didn't actually make an effort to understand the context of the images.