It doesn't remove it, it just moves it to a later time, just like you do with white balance and exposure when shooting raw and then developing (with limitations, but I'm sure this has limitations too).
My thought here is that the finished work would always be a picture, not the fancy widget, otherwise the comparison would not even stand.
Well, but if the photographer passed the image along to the final human viewer in 'light field format', he would defer his artistic choices to that final human viewer.
At the end of every issue there was a thing called a fold in - it was one image with one caption which, when folded in a certain way, created a new image with an entirely contrasting message.
Imagine an image which, depending on the focus, changes the mood and message completely. I'm sure they will emerge.
Right now the images on the site are mainly tech demos but in the hands of someone able to think outside the box I'm sure we will see some striking new art.
My thought here is that the finished work would always be a picture, not the fancy widget, otherwise the comparison would not even stand.