That might actually reduce your Z height for cargo access by moving the hinge area aft. The cargo area it adds is solidly in your field of view.
I see the layout of the I-Pace as an Improved Large Sedan.
I've always been a hatch back guy. I have a large-fish storage bin which I mainly use as a step for my dog (a bit high to jump straight in at 11 years) and I have to push it in deeper to clear the door (or at least it looks that way).