200 people died there, 1000+ were injured, and 100k left homeless. This art is a monument and tombstone. This is perfectly respectful. I think most communities wouldn't build a supermarket or park over a recent human disaster site like this.

Its really a memorial, not modern art:

"I told him immediately, ‘let’s go see the old town’. It was almost 20 km away and I was just shocked. I almost felt like crying and then this idea came to me: here I could do something… This is what I would do: we compact the ruins — which are a problem for everyone — we reinforce them well, and with concrete, we create an immense white crack as a permanent symbol of what happened here,” Burri described on first seeing the ruins of Gibellina.