Maybe. If the quality of those test shots on the OP are anything to go by I doubt it. I have some very similar outdoors photos (overcast and green) from my Nexus 5X which at least to my eye look a lot better -
http://imgur.com/a/3U9sv - and allegedly the Pixel is even better still.
Certainly those on the page seem to be very noisy and strangely lit even when scaled down to thumbnails. i dunno, maybe it's like "hardware instagram".