There are several meritorious class action out there. Then there are ones like this.
There's a reason it only takes the Court of Appeal six double-spaced pages to dispose of the matter. It's true that retailers generally can't obtain ZIP code information from customers unless it's for a special purpose. But one of those legitimate special purposes is to make sure there's no fraud. Which is why, here, gas stations can't require that you enter your ZIP code when you make a purchase. Particularly when -- again, as here -- they don't use that information for any other purpose, and then delete it after the transactions are verified.