Ai Weiwei's work was allegedly destroyed by Vaclav Pisvejc, who is known for targeting works of art as part of his "vandalism" practice.
"The man destroyed the large blue and white Porcelain Cube at a busy private opening for the exhibition “Who am I?” at Palazzo Fava in Bologna on the evening of September 21. Local police arrested a 57-year-old Czech man who has been identified in Italian media as Vaclav Pisvejc, a provocateur and self-proclaimed artist known for targeting important works of art."
It's using old techniques from Chinese history and applying them in a new way. Ai had to experiment and go through a lot of failure to produce such a different object. I don't think the cube wireframe was important, just the old method being used to make a modern art piece.
I like the idea of reinvigorating ancient crafting techniques by making modern art. I'm not exactly an art guy so I don't know if it's a unique idea but it made me think so I like it.
Damn, I saw that piece in Rio de Janeiro years ago. The banner on my profile if from that same exposition. There were also other things made of ceramic like a teddy bear and a security camera. Iirc, one of the pieces was a pendrive with a backup of wikileaks.