Most of the damage from that “shrapnel” looked eerily similar to those fake bullet decals the kids put on their hotrods.
Perfectly round holes everywhere, strange huh?
Took me a bit to find a good pic, hope this link works.
Disagree with your description of damage. Plenty of jagged holes
https://www.aeroflap.com.br/en/Russian-Pantsir-S-missile-may-have-shot-down-the-E-190%2C-sources-told-Reuters/amp/
Not if produced by ball bearings used as shrapnel.