This may or may not be proof, but a full pallet of bricks out in the open like that is a beacon for violent, self righteous assholes who act like they're doing something good, yet in actuality are no better than the officer who abused his power.
When you're outraged about a corrupt police officer choking and killing George Floyd, so to prove that black people aren't criminals you destroy property, assault innocent citizens, kill police officers, and loot stores