And why would it be? This list is comprised of fields detractors said were not feasible but are now abject reality. I am suggesting AWES may someday belong on that list.
In terms of Commercial Shipping, I would have thought this obvious. Global shipping relies on logistics and time constraints. Not exactly conducive for direct wind power. But indirectly as a part of a green ecosystem for the electrical grid.
You could add “folding kite” you could add “Kite furling device” you could add “cheaper and more inexpensive kites” you could add “composite kites” you could add “commercially available 100 square meter kites”
Reliability (Control), Efficiency (control), maintenance (better not crash: Control) Land and space use (Control) (kites sharing the same airspace)