No doubt a whole lot of work, but horribly thought out aesthetics.
If he was going to use the tapered top doors and windows, he should have made the roofline match like a lot of the newer, lower in the back, sport wagon roofs do. It just looks out of balance and thrown together the way it is.
I think it would have looked better if he did the traditional weld the rear door shut and put in folding back front seat back seats.