Facebook photo processing is also the reason it looks terrible. Facebook makes almost every photo blurry, and this is seen especially so in Videogame screenshots.
It's a lot like how TPHD looks far better in person than it does in YT videos.
Nintendo released some more concept art, this one is focusing on the sword welding guardian.
It's suffice to say that they look really awesome, I cannot wait to see how their fights take place.
This picture comes with the caption:
"This concept for Link’s cold weather tunic looks nice and warm – he’s probably going to want some socks though!"
This is obviously the early concept art for the Quilted shirt, of which the final version is here:
Now we are getting somewhere. Nintendo will be posting a screenshots of Breath of the Wild via Facebook. Which is really cool. Here is the first photo: