Another mystery to ponder.

Why would anyone put a sign like this up on her store?

If I liked your store before, now I'm on notice to be careful--it might not be as good.

If I didn't like your store before, why on earth am I paying attention to your little sign and why should I go out of my way to take another chance?

This is a vivid symbol of the ego-centric nature of most marketing. The sign is about the owner, not about the prospect.