Your post needs a giant asterisk. Everything you said is completely fair, excluding AdWords -- which is where Google actually makes its money. As an Adwords customer, I have absolutely no problem getting my account rep on the phone if I have a problem.
>We offer email support for our higher-earning publishers. To find out if email support is available for your account, visit How can I contact AdSense support? [1] Publishers who have access to support via email will find a contact form where they can email our specialists.
It turns out I'm lucky enough to be "eligible for email support". How flattering!
Add devices to the list, too. If you have a hardware issue with a Nexus 4 / Nexus 7 / Nexus 10, clicking through the support center will eventually drop you at a phone number to call. Returns/exchanges and warranty repairs are handled by phone.