Lottery winner caught on tape!

So the 8 winners of the record Powerball lottery have come forward. But I'm still bothered by this article from a couple of days ago.

"[A] clerk reviewing surveillance tapes narrowed it to one of four customers." Is no one else bothered by this? There was no crime committed. There was no alleged crime. And yet a low-wage worker is allowed to look at the tape to figure out who bought the ticket?

Suppose that the winners didn't come forward for a week. Or a month. Then maybe the convenience store offers a little game. "We know the serial number on the winning ticket was 1000006. So, if you have a losing ticket with a serial number between 1000002 and 1000009, bring it in and we'll give you $100! Oh, and then we'll find you on our little 'security' tape and figure out who the winner is.

"But wait, there's more! Once we figure out who it is, we're holding a party/candlelight vigil on their front lawn! Free hot dogs for all!"

I guess it is called a "surveillance" tape and not a "security" tape. Maybe this is perfectly legal. But it still makes me sad.