And an air Magnus balloon can easily scale, probably more than a kite. I easily realized cylindrical solar balloons until 800 m3, 10 m diameter and 20 m height Solar balloon jumping. The basis was open while the air Magnus balloon should be closed.
See also a 92 m blimp without internal structural framework.
https://www.ingenia.org.uk/Ingenia/Articles/40fced9b-394d-4c6f-a9a7-ed0b952023a8
Moreover the air mass in rotation would add some stability.