If your real name is discernible from your HN profile, and you own a car, I could likely get your license plate. If you live in a big city, I could search your license plate and find locations where you were. Alternatively, I could find your address, then search for license plates that drove near your house. It's not a perfect system but it has millions of records. And there must be other correlated databases that I don't know about.
The only things we can do is use fake/different numbers at stores, use prepaid or business debit cards and have burner iPhones and rooted Androids. Register your license plate in corporations names, and don't put your utilities in your real name. If we just decorrelate the data, and falsify it, then we could have a chance.