Flash mob protest?

Hundreds of people filling carts then simultaneously walking out.

I would imagine that if someone were to be planning something like this they would be considering not to bring phones or rfid credit cards. Also would be thinking to leave the plates off of their cars and wearing face masks, hats and ordinary clothing.

I bet that's the sort of stuff that they would think about....

Flash mob protest?

Hundreds of people filling carts then simultaneously walking out.