Not to mention that the receipt-checking doesn't normally happen unless you're wheeling a ton of stuff out(mostly depends on the store, but is often store policy). The person filming has a cart full of stuff, so it's not that much of a surprise that they were asked to show their receipt. The person filming getting all   616  up in arms about his freedom from search&seizure after being asked for what is likely a routine store policy/procedure for large purchases probably made everyone involved that much more suspicious. You can have your freedoms, but the store also has the right to enforce their store policies on anyone who is on their premises.