Well, that's the thing I disagree. You're right that the probably shut it down because it was a giant bitch-fest. But deleting the page isn't the answer, that's really just a rage quit. The appropriate way to handle it would be to, y'know, get your customers to complain about you less by making them happier.
On twitter, especially, none of that goes away, it isn't even harder to find. And I seriously doubt individual stores are going to manage it any better. Heck, here in the states they barely have any stores.
I think generally speaking, GW needs a whole bunch of better plans. This jus a hilarious symptom.