>The stores would ID you

Source?

>As for the nine digit zip, I don't think they validate it.

Why collect it then? Imagine having a service promising "lets people use phones without revealing identity" but for whatever reason asks for a bunch of info, then brushes it aside with "yeah but you can fill in fake information so it's fine".

>Your anti-privacy agenda is crystal clear.

Your inability to take any criticism without resorting to personal attacks is crystal clear.