Between an unevenly lit screen and unusable trackpad, no magsafe connector and sharp case edges, it doesn't matter what hardware specs are being offered at any price, Asus missed the mark on 2 of the 3 primary means of interacting with the computer. I wouldn't want that computer if it were free.
On the level of a $1000-$2000 purchase, details matter and the Asus Zenbook just fails here. It doesn't matter that it has twice as much SSD space and RAM as the MBA because, I don't want to use a device that has a bad screen and bad trackpad.